Possible scale rot?

[em_24]

I don't know if im being too anxious and overthinking it but I am not sure if this is scale rot or not. I do feed prekill and sometimes live if he gets smaller prey items so I am thinking it may just be some small injury from the prey. I noticed he had the small brown thing on him a while ago but I assumed it was just a slight cut from the rat. But now i have noticed that his stomach is pink, and I don't recall it getting like that before a shed. But maybe it is because he's going into shed. And the weird part is that his belly scales are flaking?? Its only on his stomach, so it's weird. I have never had that before with him or any other of my snakes. It has been cold lately so the humidity is kinda hard to keep up. The humidity is usualy around 50, and the heat mat is around 85. I did put a lamp on yesterday because at night it drops to maybe 30 degrees, so I wanted to make sure the entire tank wasn't freezing. But everything Is on a thermostat. I don't know If this is just something from going into shed or its a possible burn or scale rot. I'll most likely make a vet appointment tomorrow If i feel it is as serious as I think . sorry for the quality, hard to take pics with one hand.
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[Sunnieskys]

To me this looks like pre shed salmon color.

[Goblin]

I agree with above. Looks to me like pre shed.

[em_24]

Okok, thats good. He seems to be doing just fine , and its the first time ive seen any of this on him . Ill just let him finish shedding.

[Sunnieskys]

Increase humidity to 70% while in the shed process.