UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'YQxzUUwPXUSUMub4vhEwa5VZ1ZqeCjA6KFuoROV00hM=' 
WHERE 
  key_id = '2fff1539aa6e85718d29d63e8a9007881fd293464bef583b65b8812f26c9742e' 
  AND (
    token = 'YQxzUUwPXUSUMub4vhEwa5VZ1ZqeCjA6KFuoROV00hM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )