Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1f267ea6c99de7ac29ed65f5206f961ec20100a441a54c27b8d6e2b16df63c82' 
  AND token = 'JbEY/EyOAda8LGY5RDIN8uDDGHBvYj9+JdOo1oyshc0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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