Token bytes will not "replenish" your Anytime Bytes meter.
You really have THREE sources from which to draw data:
#1: Anytime Bytes (8am to 2am local)
#2: Bonus Bytes (2am to 8am local)
#3: Token Bytes
Token bytes are kept in a separate "data bucket" so that the value of this purchased data is not lost if not completely depleted when your monthly refill occurs.
You can see your remaining data amount in several places:
Your modems internal SCC at 192.168.0.1
(Click on picture for larger image)
Also can be found in the Download Status Meter: