UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1uHYsJc57OZcBtWZiyKb0NHSkZrt6bdjKoMh0IcIfCo=' 
WHERE 
  key_id = 'c16d9cf4927bb44c9742bb1030e455396966e7a092e6ce46ad2763944d746f2f' 
  AND (
    token = '1uHYsJc57OZcBtWZiyKb0NHSkZrt6bdjKoMh0IcIfCo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )