Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '962dd4bc607b3d19cb4b9ab5fa5552aaf4d7afd887c34fdf08453e1c6712867e' 
  AND token = 'fNchD1gB9LJw9QBbBsL7ET/qSgkAW7dNqhYTOf7NLqo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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