UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lzXdnQr8osSXlGRiB5358cdTvkDcHHN795Uslf902cU=' 
WHERE 
  key_id = '673c61b53c49f2c87d02c0bfec767d89455a89f2d825db2bc166cc0c5c344f7c' 
  AND (
    token = 'lzXdnQr8osSXlGRiB5358cdTvkDcHHN795Uslf902cU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )