Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '06aca476a03454b2cc555c5f6d0203b096f80fea59e1da4e1dad1f50b2323bca' 
  AND token = 'aaP7wqP5jIlkUf/G2LbWLyt4Xs55K7yA3dg6K1kwHQo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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