UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5WY5lVc59Th1iO56wICZnNbu14GDZjV5Xizafls5LQ8=' 
WHERE 
  key_id = 'a6e5450b89c981c2cd3677b1e092cd50f4470adae90112729cc7626f3a1203cf' 
  AND (
    token = '5WY5lVc59Th1iO56wICZnNbu14GDZjV5Xizafls5LQ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )