I've been pleasantly surprised how easily I've been getting that stuff, though it's mostly been because I've been playing so gradually over the past week that I've had lots of days to get tokens during.
Without any farming I'm already at >4000 tokens, and I should have all the treasure items with a few days to spare (particularly if I finish the story by this weekend). I was really worried about all that but it seems like it won't be a problem, thankfully.