UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VLsyfknLAmT9wsQcjBgNTAHtgr0Y7hDnMkO/7A+Dkok=' 
WHERE 
  key_id = '498a72674e5535354e80b64169e2d422ef604ad895d54830f408da32ff76c42e' 
  AND (
    token = 'VLsyfknLAmT9wsQcjBgNTAHtgr0Y7hDnMkO/7A+Dkok=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )