diff --git a/sql/migration4.sql b/sql/migration4.sql
index 9d943d6..e195ce7 100644
--- a/sql/migration4.sql
+++ b/sql/migration4.sql
@@ -8,7 +8,7 @@ BEGIN TRANSACTION;
 CREATE TABLE Auth (
     AccountID   INTEGER NOT NULL,
     Cookie      TEXT NOT NULL,
-    Valid       INTEGER NOT NULL,
+    Expires     INTEGER DEFAULT 0 NOT NULL,
     FOREIGN KEY(AccountID) REFERENCES Accounts(AccountID) ON DELETE CASCADE,
     UNIQUE (AccountID)
 );
diff --git a/sql/tables.sql b/sql/tables.sql
index 5a89ed2..70b3169 100644
--- a/sql/tables.sql
+++ b/sql/tables.sql
@@ -163,7 +163,7 @@ CREATE TABLE IF NOT EXISTS RedeemedCodes (
 CREATE TABLE IF NOT EXISTS Auth (
     AccountID   INTEGER NOT NULL,
     Cookie      TEXT NOT NULL,
-    Valid       INTEGER DEFAULT 0 NOT NULL,
+    Expires     INTEGER DEFAULT 0 NOT NULL,
     FOREIGN KEY(AccountID) REFERENCES Accounts(AccountID) ON DELETE CASCADE,
     UNIQUE (AccountID)
 );
diff --git a/src/db/login.cpp b/src/db/login.cpp
index 1e1404a..824ac58 100644
--- a/src/db/login.cpp
+++ b/src/db/login.cpp
@@ -104,12 +104,12 @@ bool Database::checkCookie(int accountId, const char *tryCookie) {
     const char* sql_get = R"(
         SELECT Cookie
         FROM Auth
-        WHERE AccountID = ? AND Valid = 1;
+        WHERE AccountID = ? AND Expires > ?;
         )";
 
     const char* sql_invalidate = R"(
         UPDATE Auth
-        SET Valid = 0
+        SET Expires = 0
         WHERE AccountID = ?;
         )";
 
@@ -117,6 +117,7 @@ bool Database::checkCookie(int accountId, const char *tryCookie) {
 
     sqlite3_prepare_v2(db, sql_get, -1, &stmt, NULL);
     sqlite3_bind_int(stmt, 1, accountId);
+    sqlite3_bind_int(stmt, 2, getTimestamp());
     int rc = sqlite3_step(stmt);
     if (rc != SQLITE_ROW) {
         sqlite3_finalize(stmt);