Each of your previously registered 180-Day Dealer Tokens would be reset for you.

To update the license on device use the 'Verify device' option within Settings for TPControl and relaunch TPControl while the device has Internet access.
If prompted by 'Settings were changed', simply press 'OK'. You should see 'Device successfully verified' appear briefly as a notification, confirming the license has been applied.
Alternately, you can apply the update using the 'Token Registration' options, also available in Settings for TPControl, and press 'Submit' when prompted.