UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QS6WTmXKrfICZBgoAwj0h8nRVFrnOYeKXiTMqKKpS/w=' 
WHERE 
  key_id = '4a47af26e620e9dc2f7dd68db98a50b84ecbfebb8721d1411cffa3bbc0ca8bde' 
  AND (
    token = 'QS6WTmXKrfICZBgoAwj0h8nRVFrnOYeKXiTMqKKpS/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )