I just accept assembling & dissembling & rinsing with a container of freshwater on each session. I do leave the mast & plate together for anything up to 2 months but I ensure I loosen the bolts before packing it away in a long bag. Re grease all bolts about every 1 to 2 months.

The white lithium grease doesn't go black like other oil sprays. Hasn't failed yet.