Wrong release keys :(

So I want to update to YOG4PAS2QL, but somehow my release keys are wrong. (While having YOG4PAS1NO installed). I tried wiping system and reflashing YOG4PAS1NO, but it's not working. Where can I find the file containing the release keys, so I can edit them to be the ones they should be? Or is this too tricky? Any other advice if so?

Thanks,

-JustRamon

Ps: The updating script says my phone's running kitkat.

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