as long as you remember the gmail connected to the account (google play does that(?)) you can go to https://forum.supermechs.com/forum/ucp.php?mode=sendpassword&battlegate_bmm_sid=684e5aae7c6f89fb77fcadacc592791f and type it in
tokens should preferably be spent on offers (1k, 2k, etc) or easter eggs (temporary bought-pack replacement for easter with buffed chances), gold matters less, you can just spend it on whatever you want