C# Create Jwt Token

JwtToken.cs

using Microsoft.IdentityModel.Tokens;
using System;
using System.IdentityModel.Tokens.Jwt;
using System.Linq;
using System.Security.Claims;
using System.Text;

namespace JwtTestConsoleApp
{
    class Program
    {
        static void Main(string[] args)
        {

            var username = Console.ReadLine();
            var password = Console.ReadLine();
            Console.WriteLine("User name:{0}", username);
            Console.WriteLine("Password:{0}", password);

            if (ValidateUserNamePassword(username, password))
                Console.WriteLine(GenerateToken(username));
        }

        public static string GenerateToken(string username)
        {
            var someClaims = new Claim[]{
                new Claim(JwtRegisteredClaimNames.UniqueName,username),
                new Claim(JwtRegisteredClaimNames.NameId,Guid.NewGuid().ToString())
            };

            SecurityKey securityKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes("test test test test test"));
            var token = new JwtSecurityToken(
                issuer: "test.test.com",
                audience: "test.test.com",
                claims: someClaims,
                expires: DateTime.Now.AddMinutes(3),
                signingCredentials: new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256)
            );

            return new JwtSecurityTokenHandler().WriteToken(token);
        }


        private static bool ValidateUserNamePassword(string userName, string password)
        {
            return true;
        }
    }
}