UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R0inbAFfUrPm9mv+jfQK0GCbEOpPvsK2qKigCRzpd3E=' 
WHERE 
  key_id = 'd195038f56bec6fc917f7b16c442d5401aa0877d78253871b016340e76237e33' 
  AND (
    token = 'R0inbAFfUrPm9mv+jfQK0GCbEOpPvsK2qKigCRzpd3E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )