Well, if they were properly stored, it shouldn't be much of a problem. That's only 5 years out of date.
One thing you could do is open a pack in a dark bag, remove the protection card and the first sheet and then re-insert the protection card. That way you could have a feel for the pod's dryness level without wasting a full pack. You can also use a rolling pin to check how the chemistry spreads around the envelope.
If it's still good, you should expect some brown tone images with a bit of color.