Update flux secret with a new token

[deem1978]

Hi everybody and thanks to anyone who will have a look into my question.
I recently started to work for a company as DevOps Engineer, and I started working with flux (never used before). The DevOps before me, has managed to setup a quite complete gitops environment with flux. As far as I understood it was deployed as described here, so we have a flux namespace in our EKS clusters, in that namespace there is a k8s secret flux-system and everything works fine.
The problem is that I discovered yesterday that the Gitlab Token will expire tomorrow (!) and I have not found a way to replace it with a new one. Does it could be enough if I just create a new token for the user in Gitlab than I just create a new k8s secret with the new token?
Does anyone of you have an idea how can I do that? Feel free to ask for more details.

Thank you very much
Davide