TTL for a set member

Question

Is it possible in Redis to set TTL (time to live) not for a specific key, but for a member for a set?

I am using a structure for tags proposed by Redis documentation - t

Answer 1

It is not possible to directly expire items in list, sets, or zsets.

You need to implement a mechanism to be notified when the master item expires, so that you can maintain the corresponding sets accordingly.

See the answer to this question, I think it applies to your use case (replace session by id, and user by tag):

Redis, session expiration, and reverse lookup