UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '17xHAqNk/3U3bggfsUBXSDM+eEZVBbhfyemvqz9I8Tw=' 
WHERE 
  key_id = '6c83809bcf9026fb82012c7e99902864e517cd1b1f8353c0716f3ff4bb8f93a9' 
  AND (
    token = '17xHAqNk/3U3bggfsUBXSDM+eEZVBbhfyemvqz9I8Tw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )