Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd38ff9eea697df7d087ed83a0307422304bd2e672a748eb62fba5efd649c1e43' 
  AND token = 'OYUfvK2yg62HNuyZB0ZRqr3uS1tDdJ7bPU2WGfhFhNM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00025

JSON explain

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