diff --git a/app/Console/Commands/RefreshExpiringTokens.php b/app/Console/Commands/RefreshExpiringTokens.php
index 38b6b689..9dc08b66 100644
--- a/app/Console/Commands/RefreshExpiringTokens.php
+++ b/app/Console/Commands/RefreshExpiringTokens.php
@@ -32,10 +32,10 @@ public function handle(): void
             ->whereNotNull('token_expires_at')
             ->where(function (Builder $query) {
                 $query->where(function (Builder $extension) {
-                    $extension->whereIn('platform', Platform::extensionModelValues())
+                    $extension->whereIn('platform', Platform::accessTokenExtendingPlatformValues())
                         ->where('token_expires_at', '<=', now()->addDay());
                 })->orWhere(function (Builder $rotating) {
-                    $rotating->whereNotIn('platform', Platform::extensionModelValues())
+                    $rotating->whereNotIn('platform', Platform::accessTokenExtendingPlatformValues())
                         ->where('token_expires_at', '<=', now()->addMinutes(30));
                 });
             })
diff --git a/app/Enums/SocialAccount/Platform.php b/app/Enums/SocialAccount/Platform.php
index 59e7115a..808f865b 100644
--- a/app/Enums/SocialAccount/Platform.php
+++ b/app/Enums/SocialAccount/Platform.php
@@ -23,6 +23,13 @@ enum Platform: string
     case Telegram = 'telegram';
     case Discord = 'discord';
 
+    /**
+     * Fallback lifetime, in seconds, for Meta long-lived tokens (Instagram and
+     * Threads — see extendsAccessTokenOnRefresh) when the provider response
+     * omits expires_in. Meta issues these tokens for 60 days.
+     */
+    public const LONG_LIVED_TOKEN_TTL_SECONDS = 5184000;
+
     /**
      * The social network this platform belongs to. Variants that represent the
      * same network (LinkedIn profile vs. company page, Instagram standalone vs.
@@ -278,14 +285,14 @@ public function extendsAccessTokenOnRefresh(): bool
     }
 
     /**
-     * All platform values that refresh by extending the access_token itself
-     * (see extendsAccessTokenOnRefresh). Because these can't be refreshed once
-     * expired, the proactive-refresh cron gives them a wider window than
-     * rotating platforms so a queue backlog can't let them lapse.
+     * The `platform` column values of the platforms that refresh by extending
+     * their access token in place (Instagram and Threads — see
+     * extendsAccessTokenOnRefresh), for use in database whereIn/whereNotIn
+     * filters. Derived from extendsAccessTokenOnRefresh() so the two never drift.
      *
      * @return array<int, string>
      */
-    public static function extensionModelValues(): array
+    public static function accessTokenExtendingPlatformValues(): array
     {
         return array_values(array_map(
             fn (self $platform): string => $platform->value,
diff --git a/app/Http/Controllers/Auth/InstagramController.php b/app/Http/Controllers/Auth/InstagramController.php
index 79931649..af48218c 100644
--- a/app/Http/Controllers/Auth/InstagramController.php
+++ b/app/Http/Controllers/Auth/InstagramController.php
@@ -69,7 +69,7 @@ public function callback(Request $request): InertiaResponse
             $avatarPath = $socialUser->getAvatar() ? uploadFromUrl($socialUser->getAvatar()) : null;
 
             // Calculate token expiration (long-lived tokens last 60 days)
-            $expiresIn = $socialUser->expiresIn ?? 5184000; // 60 days in seconds
+            $expiresIn = $socialUser->expiresIn ?? SocialPlatform::LONG_LIVED_TOKEN_TTL_SECONDS;
             $tokenExpiresAt = now()->addSeconds($expiresIn);
 
             $workspace->socialAccounts()->updateOrCreate(
diff --git a/app/Http/Controllers/Auth/ThreadsController.php b/app/Http/Controllers/Auth/ThreadsController.php
index f4ea63ff..6b29e568 100644
--- a/app/Http/Controllers/Auth/ThreadsController.php
+++ b/app/Http/Controllers/Auth/ThreadsController.php
@@ -116,7 +116,7 @@ public function callback(Request $request): InertiaResponse
 
             $longLivedData = $longLivedResponse->json();
             $longLivedToken = $longLivedData['access_token'] ?? $shortLivedToken;
-            $expiresIn = $longLivedData['expires_in'] ?? 5184000;
+            $expiresIn = $longLivedData['expires_in'] ?? SocialPlatform::LONG_LIVED_TOKEN_TTL_SECONDS;
 
             // Fetch user profile
             $profileResponse = Http::get(config('trypost.platforms.threads.graph_api')."/{$userId}", [