How to Refresh a token without Prebuild Controller

[blueamazon]

I am getting {"error":"Token is expired."} on hitting the same token can you please tell me how to refresh the old token without making a login request

[paulvl]

Please take a look at refresh method on pre-build controller
https://github.com/paulvl/jwt-guard/blob/master/src/Foundation/Auth/AuthenticatesUsers.php#L52

You need to understand JWT https://tools.ietf.org/html/rfc7519 first.
In order to refresh your token you need to use the "refresh" token instead.
You are free to look inside each file and see how it works before open an issue.