There are pros and cons of JWT but if you are OK with it, it is not complex if you use a library. JWT purists want everything on the token (no database) but if

There are pros and cons of JWT but if you are OK with it, it is not complex if you use a library. JWT purists want everything on the token (no database) but if you are OK with using a database, just store the token and delete it to revoke. When authenticating, add a database query (it's not that bad) in addition to the verification of the token