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I would probably use them unless there was mold or spots or something like that on them, and if the inside looked ok. As far as I know, the wrinkled/shriveled look means that they're just not very fresh any more.
I did some yesterday that sounds like they were in the same shape as yours. They had been in the frig for several weeks and like BarbeQueen said no mold and they seemed fine on the inside. They turned out great. I'm no expert jusy my 2 cents worth .