Basica javascript example that would suffice
var block = false;
client.connect();
client.on('message', (channel, tags, message, self) => {
if(self) return;
if(message.toLowerCase() === '!play') {
if (!block) {
console.log(client.say(channel, `!play`));
block = true;
setTimeout(() => {
block = false;
}, (60 * 1000));
}
}
});