//This is how I create new Cooldown and return if data exist

const cmd = client.commands.get(command) || client.commands.find(a => a.aliases && a.aliases.includes(command))
if (cmd) {
  if (cmd.cooldown) {
    const cools = require("./Schema/cooldown");
    cools.findOne({
      guildID: message.guild.id,
      userID: message.author.id,
      command: cmd.name
    }, async(err, data) => {
      const cd = await cools.findOne({
        guildID: message.guild.id,
        userID: message.author.id,
        command: cmd.name
      })
      if (data) {
        let dateNow = ms(cd.coolDown - Date.now(), {
          long: true
        })
        const embed = new MessageEmbed()
          .setDescription(`You already used ${cmd.name} command.`)
          .addField("Cooldown Time:", `${dateNow}`)
          .setColor('RANDOM')
          .setTimestamp()

        message.channel.send({
          embeds: [embed]
        })

        return
      } else {
        if (cmd) cmd.execute(client, message, args, prefix)
        if (!cd) {
          new cools({
            guildID: message.guild.id,
            userID: message.author.id,
            coolDown: Date.now() + cmd.cooldown,
            command: cmd.name
          }).save()
        }
      }
    })
  }
}

//This is the part that i was thinking to delete the existing command.

let x = cd.coolDown - Date.now()
setInterval(async() => {
  if (x <= 0) {
    await cools.findOneAndRemove({
      guildID: message.guild.id,
      userID: message.author.id,
      command: cmd.name
    })
  }
}, x)