Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8e0ac5f3535dbe796669f74c0eb54e39950ee1ce8c0574ec170cff151d1e3f11' 
  AND token = 'IwbVETCS2QiR7rPmg14j3t6A5kss3hfpZAC3cIVJisc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00113

JSON explain

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