Blue Essence prices aren't really worth spending on masteries

I've got waaaaaay too many tokens and not enough blue essence. And the range of blue essence rewards from leveling up are just too few and far between. I'm level 58, and I still either get two 90 BE champs to break down or just one 1.2k BE champ. With those ranges, sometimes leveling feels slightly rewarding, but mostly not worth the effort with the high chances of receiving one 270 BE, however much it is, or two 90 BE shards. Hopefully you guys at riot can refine this leveling/BE system