UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MurpKM17bX+q5VdVDL3ZE3/4EaSsqKVTVyY/BnHvuX4=' 
WHERE 
  key_id = '28ea1afd8c668585d7eaa4df6beb4f17e6beffa443ed620063dddf2f09d40ac2' 
  AND (
    token = 'MurpKM17bX+q5VdVDL3ZE3/4EaSsqKVTVyY/BnHvuX4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )