UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LZEGyhenUYOMfjKkbiPWVjc6OvDw422oagJi73qwY1Y=' 
WHERE 
  key_id = '891723fd3b253ea7002345d9586765f00cb294c4f22f7fbdb3626c577e434cc8' 
  AND (
    token = 'LZEGyhenUYOMfjKkbiPWVjc6OvDw422oagJi73qwY1Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )