Yes, 60% is too high. Read back in this post and follow same directions although if you are on day 20 and already in lockdown you may just have to wait and see what happens in the next couple of days.
Please read this: https://www.backyardchickens.com/articles/incubation-humidity.73386/
Good...
Your air cells don't look too bad to me. However, with no 3, the air cell will not shift from the fat end of the egg to the small end, you are probably seeing a layer of liquid on the small end. You can drop the humidity a little and then candle again on day 18 especially that no. 3 egg...