key issue

Hey guys, long time lurker here. Sorry to introduce myself in this manner, but I am in a desperate situation here with my 100, and throwing hail marys. I've owned an '07 LX 470 for about 8 years. Every 4-6 months for the past 5 years, randomly, the key won't turn out of the Start position...

2004 LX470 128k miles what key hole lubricant is your go to this thing keeps locking up and wont turn until its gets oil. Ive tried to clean it with a degreaser then using a silicone lube then the issue comes back within 1 week and its not like she drives everyday. Do I need to pull it and...