diff --git a/app/Metadata.php b/app/Metadata.php
index 98badb6..ef80075 100644
--- a/app/Metadata.php
+++ b/app/Metadata.php
@@ -10,6 +10,6 @@ class Metadata extends Model
     protected $primaryKey = 'url';
     protected $keyType = 'string';
 
-    protected $fillable = ['url', 'title', 'description', 'image'];
-    protected $visible = ['url', 'title', 'description', 'image'];
+    protected $fillable = ['url', 'title', 'description', 'image', 'expires_at'];
+    protected $visible = ['url', 'title', 'description', 'image', 'expires_at'];
 }
diff --git a/database/migrations/2019_01_15_143800_add_expires_on_metadata.php b/database/migrations/2019_01_15_143800_add_expires_on_metadata.php
new file mode 100644
index 0000000..46891e1
--- /dev/null
+++ b/database/migrations/2019_01_15_143800_add_expires_on_metadata.php
@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Support\Facades\Schema;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Database\Migrations\Migration;
+
+class AddExpiresOnMetadata extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('metadata', function (Blueprint $table) {
+            $table->timestamp('expires_at')->nullable();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('metadata', function (Blueprint $table) {
+            $table->removeColumn('expires_at');
+        });
+    }
+}
diff --git a/routes/api.php b/routes/api.php
index 73e72cd..3f2b134 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -26,13 +26,14 @@ Route::get('/checkin/card', function (Request $request, MetadataResolver $resolv
     $url = $formatter->normalizeUrl($request->input('url'));
 
     $metadata = App\Metadata::find($url);
-    if ($metadata == null) {
+    if ($metadata == null || new DateTime($metadata->expires_at) < new DateTime("now")) {
         $resolved = $resolver->resolve($url);
         $metadata = App\Metadata::create([
             'url' => $url,
             'title' => $resolved->title,
             'description' => $resolved->description,
-            'image' => $resolved->image
+            'image' => $resolved->image,
+            'expires_at' => $resolved->expires_at
         ]);
     }