UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n2DmQTgB7XE67EO5fq8Swyxad19AiKaqd+8KEVbqQxE=' 
WHERE 
  key_id = '742f6fd0453b829c658f6e4098f72c1776ced9d2b97bdc042905d02643822a40' 
  AND (
    token = 'n2DmQTgB7XE67EO5fq8Swyxad19AiKaqd+8KEVbqQxE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )