fixes bug 975179 - Expired API tokens are clearly shown as expires

@rhelmer r?

Trivial. Looks like this:
![screenshot 2014-02-20 16 01 41](https://f.cloud.github.com/assets/26739/2225335/ddb00246-9a8b-11e3-9a0a-1d87e9dd2e01.png)

I think it's important to not automatically delete these or *not* show them. If you have a script that has stopped working, it should be clear to see why.