UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2vwZV8Invjf/Y19NmsoLWSh6rbYzVlP6W8Fl7SdfbYQ=' 
WHERE 
  key_id = '6ce051e3c143dc75d1af1473ca870562642d19aaf84e7cd739b9835dbea7ef82' 
  AND (
    token = '2vwZV8Invjf/Y19NmsoLWSh6rbYzVlP6W8Fl7SdfbYQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )