The best you can do with the camera alone is balance the shutter, iso and aperture to create the best image with available light. A wider aperture will let more light in but create a very shallow depth of field. I slower shutter will give motion blur and a higher ISO will create noise.
I personally would set ISO to 400 or 800, shutter to 1/25 or 1/50 and use a prime lens at f1.4.
I could be useful to purchase basic lighting to help… even the kind of lamps you buy for construction sites will help and are very cheap compared to production lighting.
Old factories and warehouses I have shot in usually have strip lighting, I have used these to create little pools of light and filmed the subjects under them. If these are available, use them… but shuttter will have to be as slower than 1/30 to avoid light banding from the tubes
Hope this helps
Andrew Downie