Each coin has a different time to reward your masternode.
The first reward takes longer than the rest, so be patient. If your masternode is already started, do not start it again as this will cause it to go to the end of the rewards queue.
If you find it is taking too long, enter your desktop wallet and check how long your masternode is active:
This is the time that the masternode is on the network and working, you can look for help in the community of your coin or in sites like masternodes.online to know how long it takes the first and the other reward.
Check the status of your masternode at https://central.zcore.cash
If your masternode is not active, re-create the txid correctly to activate it: