Topic: How long the MyNintendo discount lasted if I already redeemed the gold coins but has not bought the game?

I was interested in 30% Discount on Rhythm Heaven™ Megamix (Nintendo 3DS): https://my.nintendo.com/rewards/c58f58054b9db0f4?imp=d66f609f...
The reward itself is available until: 5/2/2017 at 4 AM, but I don't have the money yet until about one month later.
Can I redeem the discount now then wait until one month later (or more) and complete the purchase?

Thanks.

All you needed to do is scroll down and read the fine print... (the information may vary as the quote below is presumably taken from the U.S. site; so it's best to confirm what your account from your region says specifically about the terms and conditions of the discount)

This discount is valid through 11:59 p.m. PT, June 1, 2017. This non-transferable discount entitles you to receive a one-time 30% discount off the purchase price of Rhythm Heaven™ Megamix (Nintendo 3DS) from Nintendo eShop or Game Store (where available).

As long as you've redeemed the gold coins for the eligibility for the discount, you will be entitled to that discount until the specified end period (i.e. 11:59pm June 1 or whatever date is specified in your region's My Nintendo website).

@sillygostly Silly me, how can I missed that
My region says the same date. Well that's a totally one month time window.

Thanks for pointing that to me

In my region (EU) it also says that the discount is valid for 30 days after you redeem it, so if you can get the money in less than a month you should be fine.