Discord.js - Part 5 | Update Items in Inventory

//Part 5 of 7 for inventory command. This is how to update an item from list. Part 6:

const command5 = {};
command5.name = 'update';
command5.description = 'updates an item in the database';
command5.usage = '<item> <price>';
command5.category = 'database';
command5.useDatabase = true;
command5.useApi = false;
command5.execute = async(bot, message, args) => {
    if (!message.member.hasPermission('ADMINISTRATOR')) return message.channel.send('You do not have permission to use this command!');
    if (args.length != 2) return message.channel.send('You have not provided the correct amount of arguments!');
    let item = args[0];
    let price = args[1];
    if (isNaN(price)) return message.channel.send('The price is not a number!');
    let query = `UPDATE items SET price = ${price} WHERE item = '${item}'`;
    bot.database.execute(query).then(() => {
        // send a success message
        message.channel.send('The item has been updated!');
    }).catch(() => {
        // send an error message
        message.channel.send('An error has occured!');
    });
}