In your example, Mickey will turn green between 8:55 and11:59 am. It will turn blue from noon through the end of the day.
You may get differing opinions on this: In my experience, ride attendants have indicated that if the
Lightning Lane pass is still active in your account it is still valid. An attendant at Pooh Bear told me recently that 'active' meant that it hadn't been used, replaced or canceled.
I've only let one LLMP go unused, but it stayed in 'My Plans' on
MDE until sometime between midnight and 6 am the next day.