Openhab, Telegraf, Influx Cloud - problem with the authorization

I have Telegraf agent and Influx Cloud account. Telegraf reads mqtt topics used in my opehab. and sends series to Influx Cloud, but after 1 - 2 hours Telegraf says it has problems with authorization. I have to restart Telegraf and iti works again sevral hours. For authoization I use token generated by Influx Cloud.
What’s the problem?