Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e637a53757d933bf6f299dfecb48f4220df4ae34b1b39e8ab1faf80f01f222bc' 
  AND token = '6quWZcKOpq7ezCd6+tD/x9PCWnNp5zkoji1v6IXQb/M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.07693

JSON explain

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