You really need proper treatment.
Looking at your age it is very likey that your diease have progressed to degeneration.
It can be just due to vaat or any type of lumbar probelm.
Next Steps
please consult a doctor, has a high risk of lumbar fracture if your bone density is decreased over time.
Health Tips
Include milk with ashwaganda and shatavari in your diet.
For time span you can use - mahanarayan taila locally for massage.
Massage needs to be done in a proper way from upside to down. Do not go upwards from down it can increase pain.
after application of oil you need to apply some heat on the particular area.