If you ring pip after 11am they do pick up quicker. Dependent on if the review date is may 2024 or award end date may 2024 they may be able to extend your award.
family member is a health professional who does PIP assessments for capita and confirmed that they are assessing people who already have pip and approaching review from 2022 and new claims from July 2023.
if you are on enhanced/enhanced they may not prioritise you unless there is a change in circumstance. If so then they will send you a award review form which can taken another 2 months to complete. Your best bet would be to call DWP and explain your situation.