Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd59c43edf6c66d36d105614e53d801aa59f9dee852f764f40d431c06ed01cc8b' 
  AND token = '+pChJgW2tuefl+waXC2atHPzHkMbq3btgoqxsKjbp+U=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00081

JSON explain

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