Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '217040fa38388dc30efbab409d497f4840c36ffcc3ab805064fe6f04e6582997' 
  AND token = 'i2egqFoR6OkGkqAsymROeag1jkZ4Ixxb6jHgpSofF18=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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