Slow worms in the compost heap.

I was just having a look at my compost heap today, prior to turning it all out, when I spotted slow worms curled up in it. There's obviously no way I can start sticking a fork in. Does anyone know if they will move out soon or will I just have to abandon it and make a new heap?
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It’s my guess, based on the weather round here, they are still unconvinced that spring has arrived and are hibernating.
http://www.wildlifetrusts.org/species/slow-worm
Says here that they can live to be 20!