/diy/ - Do It Yourself

The only part not stained is the bottom table seen inside the cabinet, the overhanging parts of the counter are sealed top and bottom, is it the inside part that needs to be stained?? The inside area is dry and is one of the few places it has no mold, I'm starting to think I may have to completely seal everything including the hard to get to bottom of the table, but will this help? Do I need to dry it more? I'm in a bit of a time crunch for cool weather and I have just today to fix this, the best I could do to keep it dry is temp move it under the overhang, but it wouldn't be raining today so there is no need.
The photo shows only not stained part.