UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tnn0DBCjRnNTlRi2g2GQy/UhxntIX8/YMAg5PfnLr2U=' 
WHERE 
  key_id = '9151953ce409987070530b561cfe077b34c7ab01a26c5339845997092cc134ab' 
  AND (
    token = 'tnn0DBCjRnNTlRi2g2GQy/UhxntIX8/YMAg5PfnLr2U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )