SELECT 
  cscart_bm_snapping.grid_id as grid_id, 
  cscart_bm_snapping.block_id as block_id, 
  IFNULL(
    dynamic_object_content.content, 
    default_content.content
  ) as content, 
  IFNULL(
    dynamic_object_content.object_id, 
    default_content.object_id
  ) AS object_id, 
  IFNULL(
    dynamic_object_content.object_type, 
    default_content.object_type
  ) AS object_type, 
  cscart_bm_block_statuses.object_ids as object_ids, 
  cscart_bm_snapping.*, 
  cscart_bm_blocks.*, 
  cscart_bm_blocks_descriptions.* 
FROM 
  cscart_bm_snapping 
  LEFT JOIN cscart_bm_blocks ON cscart_bm_blocks.block_id = cscart_bm_snapping.block_id 
  LEFT JOIN cscart_bm_block_statuses ON cscart_bm_snapping.snapping_id = cscart_bm_block_statuses.snapping_id 
  AND cscart_bm_block_statuses.object_type LIKE 'pages' 
  LEFT JOIN cscart_bm_blocks_descriptions ON cscart_bm_blocks.block_id = cscart_bm_blocks_descriptions.block_id 
  LEFT JOIN cscart_bm_blocks_content AS default_content ON cscart_bm_blocks.block_id = default_content.block_id 
  AND cscart_bm_blocks_descriptions.lang_code = default_content.lang_code 
  AND default_content.snapping_id = 0 
  AND default_content.object_id = 0 
  AND default_content.object_type like '' 
  LEFT JOIN cscart_bm_blocks_content AS dynamic_object_content ON cscart_bm_blocks.block_id = dynamic_object_content.block_id 
  AND cscart_bm_blocks_descriptions.lang_code = dynamic_object_content.lang_code 
  AND dynamic_object_content.object_id = 7 
  AND dynamic_object_content.object_type like 'pages' 
WHERE 
  cscart_bm_snapping.grid_id IN (
    85, 86, 87, 88, 89, 90, 91, 92, 95, 98, 103, 
    96, 97, 99, 100, 101, 102, 104, 105, 148, 
    149, 150
  ) 
  AND cscart_bm_blocks_descriptions.lang_code = 'en' 
  AND cscart_bm_blocks.company_id = 1 
ORDER BY 
  cscart_bm_snapping.order, 
  cscart_bm_snapping.block_id

Query time 0.00484

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "23.06"
    },
    "ordering_operation": {
      "using_temporary_table": true,
      "using_filesort": true,
      "cost_info": {
        "sort_cost": "2.20"
      },
      "nested_loop": [
        {
          "table": {
            "table_name": "cscart_bm_blocks_descriptions",
            "access_type": "ALL",
            "possible_keys": [
              "PRIMARY"
            ],
            "rows_examined_per_scan": 66,
            "rows_produced_per_join": 6,
            "filtered": "10.00",
            "cost_info": {
              "read_cost": "6.19",
              "eval_cost": "0.66",
              "prefix_cost": "6.85",
              "data_read_per_join": "1K"
            },
            "used_columns": [
              "block_id",
              "lang_code",
              "name"
            ],
            "attached_condition": "(`aerokidsshop`.`cscart_bm_blocks_descriptions`.`lang_code` = 'en')"
          }
        },
        {
          "table": {
            "table_name": "cscart_bm_blocks",
            "access_type": "eq_ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id"
            ],
            "key_length": "4",
            "ref": [
              "aerokidsshop.cscart_bm_blocks_descriptions.block_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "10.00",
            "cost_info": {
              "read_cost": "1.65",
              "eval_cost": "0.07",
              "prefix_cost": "9.16",
              "data_read_per_join": "147"
            },
            "used_columns": [
              "block_id",
              "type",
              "properties",
              "company_id",
              "storefront_id"
            ],
            "attached_condition": "(`aerokidsshop`.`cscart_bm_blocks`.`company_id` = 1)"
          }
        },
        {
          "table": {
            "table_name": "default_content",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id",
              "snapping_id",
              "lang_code",
              "object_id"
            ],
            "key_length": "18",
            "ref": [
              "aerokidsshop.cscart_bm_blocks_descriptions.block_id",
              "const",
              "aerokidsshop.cscart_bm_blocks_descriptions.lang_code",
              "const"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 0,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.17",
              "eval_cost": "0.07",
              "prefix_cost": "9.39",
              "data_read_per_join": "147"
            },
            "used_columns": [
              "snapping_id",
              "object_id",
              "object_type",
              "block_id",
              "lang_code",
              "content"
            ],
            "attached_condition": "<if>(is_not_null_compl(default_content), (`aerokidsshop`.`default_content`.`object_type` like ''), true)"
          }
        },
        {
          "table": {
            "table_name": "cscart_bm_snapping",
            "access_type": "range",
            "possible_keys": [
              "grid_id"
            ],
            "key": "grid_id",
            "used_key_parts": [
              "grid_id"
            ],
            "key_length": "4",
            "rows_examined_per_scan": 23,
            "rows_produced_per_join": 1,
            "filtered": "10.00",
            "index_condition": "(`aerokidsshop`.`cscart_bm_snapping`.`grid_id` in (85,86,87,88,89,90,91,92,95,98,103,96,97,99,100,101,102,104,105,148,149,150))",
            "using_join_buffer": "hash join",
            "cost_info": {
              "read_cost": "8.95",
              "eval_cost": "0.15",
              "prefix_cost": "19.86",
              "data_read_per_join": "1K"
            },
            "used_columns": [
              "snapping_id",
              "block_id",
              "grid_id",
              "wrapper",
              "user_class",
              "order",
              "status"
            ],
            "attached_condition": "(`aerokidsshop`.`cscart_bm_snapping`.`block_id` = `aerokidsshop`.`cscart_bm_blocks_descriptions`.`block_id`)"
          }
        },
        {
          "table": {
            "table_name": "cscart_bm_block_statuses",
            "access_type": "ALL",
            "possible_keys": [
              "snapping_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 1,
            "filtered": "100.00",
            "using_join_buffer": "hash join",
            "cost_info": {
              "read_cost": "0.25",
              "eval_cost": "0.15",
              "prefix_cost": "20.26",
              "data_read_per_join": "182"
            },
            "used_columns": [
              "snapping_id",
              "object_ids",
              "object_type"
            ],
            "attached_condition": "<if>(is_not_null_compl(cscart_bm_block_statuses), ((`aerokidsshop`.`cscart_bm_snapping`.`snapping_id` = `aerokidsshop`.`cscart_bm_block_statuses`.`snapping_id`) and (`aerokidsshop`.`cscart_bm_block_statuses`.`object_type` like 'pages')), true)"
          }
        },
        {
          "table": {
            "table_name": "dynamic_object_content",
            "access_type": "ref",
            "possible_keys": [
              "PRIMARY"
            ],
            "key": "PRIMARY",
            "used_key_parts": [
              "block_id"
            ],
            "key_length": "4",
            "ref": [
              "aerokidsshop.cscart_bm_blocks_descriptions.block_id"
            ],
            "rows_examined_per_scan": 1,
            "rows_produced_per_join": 2,
            "filtered": "100.00",
            "cost_info": {
              "read_cost": "0.38",
              "eval_cost": "0.22",
              "prefix_cost": "20.86",
              "data_read_per_join": "493"
            },
            "used_columns": [
              "snapping_id",
              "object_id",
              "object_type",
              "block_id",
              "lang_code",
              "content"
            ],
            "attached_condition": "<if>(is_not_null_compl(dynamic_object_content), ((`aerokidsshop`.`dynamic_object_content`.`object_id` = 7) and (`aerokidsshop`.`dynamic_object_content`.`lang_code` = `aerokidsshop`.`cscart_bm_blocks_descriptions`.`lang_code`) and (`aerokidsshop`.`dynamic_object_content`.`object_type` like 'pages')), true)"
          }
        }
      ]
    }
  }
}

Result

grid_id block_id content object_id object_type object_ids snapping_id wrapper user_class order status type properties company_id storefront_id lang_code name
87 4 0 96 blocks/wrappers/onclick_dropdown.tpl top-my-account 0 A my_account a:1:{s:8:"template";s:21:"blocks/my_account.tpl";} 1 1 en My Account
88 5 0 97 top-logo 0 A template a:2:{s:8:"template";s:32:"blocks/static_templates/logo.tpl";s:11:"enable_link";s:1:"Y";} 1 1 en Logo
90 6 0 99 0 D call_request a:1:{s:8:"template";s:44:"addons/call_requests/blocks/call_request.tpl";} 1 1 en Call Request
148 10 0 169 0 A breadcrumbs a:1:{s:8:"template";s:22:"common/breadcrumbs.tpl";} 1 1 en Breadcrumbs
149 11 0 170 blocks/wrappers/mainbox_general.tpl 0 A main 1 1 en Main Content
102 17 a:1:{s:7:"content";s:639:" <ul id="about_cs_cart_links"> <li class="ty-footer-menu__item"><a href="{"pages.view?page_id=2"|fn_url}">About Aerokids</a></li> <li class="ty-footer-menu__item"><a href="{"pages.view?page_id=1"|fn_url}">Our team</a></li> <li class="ty-footer-menu__item"><a href="{"pages.view?page_id=3"|fn_url}">Privacy policy</a> </li></li> <li class="ty-footer-menu__item"><a href="{"https://aerokidsshop.com/terms-and-conditions/"|fn_url}">Terms and Conditions</a> </li> </ul>";} 0 109 blocks/wrappers/footer_general.tpl footer-no-wysiwyg 0 A safe_smarty_block a:1:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";} 1 1 en About us
150 50 a:1:{s:5:"items";a:4:{s:7:"filling";s:17:"blog.recent_posts";s:6:"period";s:1:"A";s:9:"last_days";s:1:"1";s:5:"limit";s:1:"3";}} 0 171 blocks/wrappers/sidebox_important.tpl 0 A blog a:1:{s:8:"template";s:35:"addons/blog/blocks/recent_posts.tpl";} 1 1 en Recent posts
92 59 a:1:{s:5:"items";a:3:{s:7:"filling";s:13:"full_tree_cat";s:18:"parent_category_id";s:0:"";s:7:"sort_by";s:8:"position";}} 0 101 0 A categories a:3:{s:8:"template";s:52:"blocks/categories/categories_dropdown_horizontal.tpl";s:30:"dropdown_second_level_elements";s:2:"12";s:29:"dropdown_third_level_elements";s:1:"6";} 1 1 en Main menu
99 61 0 106 blocks/wrappers/footer_general.tpl 0 A template a:1:{s:8:"template";s:44:"blocks/static_templates/my_account_links.tpl";} 1 1 en My account
100 62 a:1:{s:7:"content";s:523:"<ul id="demo_store_links"> <li class="ty-footer-menu__item"><a href="{"pages.view?page_id=30"|fn_url}">Contact us</a></li> <li class="ty-footer-menu__item"><a href="{"gift_certificates.add"|fn_url}">Gift certificates</a></li> <li class="ty-footer-menu__item"><a href="{"product_features.view_all?filter_id=10"|fn_url}">Our brands</a></li> <li class="ty-footer-menu__item"><a href="{"sitemap.view"|fn_url}">Sitemap</a></li> <li class="ty-footer-menu__item"><a href="{"pages.view?page_id=7"|fn_url}">Blog</a></li> </ul>";} 0 107 blocks/wrappers/footer_general.tpl footer-no-wysiwyg 1 A safe_smarty_block a:1:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";} 1 1 en Aerokids Shop
89 7 0 98 top-search 2 A template a:1:{s:8:"template";s:34:"blocks/static_templates/search.tpl";} 1 1 en Search
91 8 0 100 top-cart-content 2 A cart_content a:5:{s:8:"template";s:23:"blocks/cart_content.tpl";s:22:"display_bottom_buttons";s:1:"Y";s:20:"display_delete_icons";s:1:"Y";s:19:"products_links_type";s:5:"thumb";s:20:"generate_block_title";s:1:"Y";} 1 1 en Cart content
97 13 a:1:{s:7:"content";s:442:"<div class="ty-social-link-block"><h3 class="ty-social-link__title">{__("get_social")}</h3> <div class="ty-social-link facebook"> <a href="https://www.facebook.com/aerokidspreschool"><span class="ty-icon ty-icon-facebook"></span>Facebook</a> </div> <div class="ty-social-link youtube"> <a href="https://www.youtube.com/channel/UClyDi5xjhD8YdvPyByzX4CA"><span class="ty-icon ty-icon-youtube"></span>Youtube</a> </div></div> ";} 0 105 2 A safe_smarty_block a:1:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";} 1 1 en Social links
105 19 0 110 2 A template a:1:{s:8:"template";s:41:"blocks/static_templates/payment_icons.tpl";} 1 1 en Payment icons
85 58 a:1:{s:4:"text";s:0:"";} 0 93 top-languages 2 A languages a:3:{s:8:"template";s:20:"blocks/languages.tpl";s:6:"format";s:4:"name";s:14:"dropdown_limit";s:1:"0";} 1 1 en Languages
96 60 0 104 2 A template a:1:{s:8:"template";s:56:"addons/newsletters/blocks/static_templates/subscribe.tpl";} 1 1 en Subscribe
101 63 a:1:{s:7:"content";s:1060:" <ul id="customer_service_links"> <li class="ty-footer-menu__item"><a href="{"orders.search"|fn_url}" rel="nofollow">About your order</a></li> <li class="ty-footer-menu__item"><a href="{"https://aerokidsshop.com/returns-and-exchanges"|fn_url}" rel="nofollow">Returns and Exchanges</a></li> <li class="ty-footer-menu__item"><a href="{"https://aerokidsshop.com/payment-and-shipping/"|fn_url}" rel="nofollow">Payment and shipping</a></li> {if $addons.wishlist && $addons.wishlist.status == 'A'} <li class="ty-footer-menu__item"><a href="{"wishlist.view"|fn_url}" rel="nofollow">Wishlist</a></li> {/if} {if $settings.General.enable_compare_products == 'Y'} <li class="ty-footer-menu__item"><a href="{"product_features.compare"|fn_url}" rel="nofollow">Comparison list</a></li> {/if} </ul>";} 0 108 blocks/wrappers/footer_general.tpl footer-no-wysiwyg 2 A safe_smarty_block a:1:{s:8:"template";s:28:"blocks/safe_smarty_block.tpl";} 1 1 en Customer Service
85 2 a:1:{s:4:"text";s:0:"";} 0 94 top-currencies 3 A currencies a:3:{s:8:"template";s:21:"blocks/currencies.tpl";s:6:"format";s:6:"symbol";s:14:"dropdown_limit";s:1:"3";} 1 1 en Currencies
86 3 a:1:{s:4:"menu";s:1:"1";} 0 95 top-quick-links 3 A menu a:2:{s:8:"template";s:26:"blocks/menu/text_links.tpl";s:18:"show_items_in_line";s:1:"Y";} 1 1 en Quick links