John finished his first staking on 5th May(so he has no claim history), system will record 5th May as his first rewards claiming time. After 30 days on 5th June, John has accumulated 1000 KINE rewards, now his matured rewards (claimable rewards) will be 30/180*1000 = 166 KINE, left with 834 KINE locked. Say John claimed the 166 matured KINE on 5th June, then in the meantime, system will update his most recent claim time as 5th June. Another 150 days later on 5th Nov, John accumulated 5834 KINE rewards, now the matured rewards will be 150/180*5834 = 4860 KINE (as its been only 150 days from 5th June when he claimed 166 KINE), left with 974 KINE still locked. To compare, if he did not claim on 5th June, he will be able to claim 180/180*6000 = 6000 KINE on 5th Nov.