UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MpY9AYEGbkpAJIVmOYqY0LnEN9IPgTKBosQ9+qVKsQk=' 
WHERE 
  key_id = '0f71e80536fdf50a7e5745367ab41a2dcec056a3bd70353cecbc0095a4dead81' 
  AND (
    token = 'MpY9AYEGbkpAJIVmOYqY0LnEN9IPgTKBosQ9+qVKsQk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )