That looks a lot better! And honestly, 30 minutes for an low-light interior rendering isn’t bad. Interior renders are notoriously with render time.
But I’m sure you could play around with denoising settings + render settings in an effort to optimize render time and result. I haven’t played around too much with denoising but when I have I end up resorting to the defaults.
If you decide to play around with the settings, please post your findings here! No doubt it will be very helpful to others in this situation.
