You need more context than that; however, the differences are:
A token is a thing that you give or an action that you take which expresses your feelings or intentions, although it might have little practical effect:
Please accept this as a token of my appreciation.
He made a token effort to take part.
A symbol is something that is used to represent a quality or idea:
The Rolls Royce is a symbol of affluence.
A heart shape is the symbol for love.