UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Z0aqTIyPnZSkEiJyqKX9RxxyE9Am9xfhYmHMTrADLY=' 
WHERE 
  key_id = 'd7ca98e481995182eda4343b3679fda163dc50221bd90bce7e8ac8025610f74c' 
  AND (
    token = '4Z0aqTIyPnZSkEiJyqKX9RxxyE9Am9xfhYmHMTrADLY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )