I need to increase timeout from

[epic.network]

Welcome to the Cloudflare Community.

This has been answered here:

Default timeout limit increase

Timeout increases are only available to Enterprise plans. There is a #CommunityTip on dealing with the 524 errors you are seeing.

Increase the timeout of cloudflare

That is not possible. You need to finish everything in under 100 seconds. Otherwise you need to change your approach. Please use the search as that topic has been covered extensively.