More Polish (#4336)

Co-authored-by: Amelia <77553571+Fesaa@users.noreply.github.com>

API/Services/AuthKeyService.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Linq;
+using System.Threading.Tasks;
+using API.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace API.Services;
+
+public interface IAuthKeyService
+{
+    Task UpdateLastAccessedAsync(string authKey);
+}
+
+public class AuthKeyService(DataContext context, ILogger<AuthKeyService> logger) : IAuthKeyService
+{
+    public async Task UpdateLastAccessedAsync(string authKey)
+    {
+        logger.LogTrace("Updating last accessed Auth key:  {AuthKey}", authKey);
+        await context.AppUserAuthKey
+            .Where(k => k.Key == authKey)
+            .ExecuteUpdateAsync(s => s.SetProperty(k => k.LastAccessedAtUtc, DateTime.UtcNow));
+    }
+}