'Create an AwardClaimToken with the given parameters
`uid` - A string that uniquely identifies the kind of
Trophy the user would be claiming.*
`award_codename` - The codename of the Award the user will claim
`description` - The description the Trophy will receive
`url` - The URL the Trophy will receive
*Note that this differs from Award codenames, because it may be
desirable to allow users to have multiple copies of the same Award,
but restrict another aspect of the Trophy. For example, users
are allowed to have multiple Translator awards, but should only get
one for each language, so the `unique_award_id`s for those would be
of the form "i18n_%(language)s"'

@classmethod
def _new(cls, uid, award, description, url):

    return super(AwardClaimToken, cls)._new(awardfullname=award._fullname, description=(description or ''), url=(url or ''), uid=uid)
