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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9202486d78c3f1aaa9411481085450e2c30b2816900f6990830ac56aaca88d34' 
  AND token = 'Yl3dM5MX7MK0AoHAzR3OEOTm98b4ET+tPUnvpL/Wmm0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00140

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}