diff --git a/migrations/20230409141801_initial.sql b/migrations/20230409141801_initial.sql
index 4c3e77d..a018dc4 100644
--- a/migrations/20230409141801_initial.sql
+++ b/migrations/20230409141801_initial.sql
@@ -5,6 +5,7 @@ CREATE TABLE key_db (
 	creation		INTEGER,
 	not_after		INTEGER,
 	revocation		INTEGER,
+	published		BOOLEAN,
 	private_key		TEXT,
 	public_key		TEXT
 );
diff --git a/src/key.rs b/src/key.rs
index ab3ec1f..651f1a3 100644
--- a/src/key.rs
+++ b/src/key.rs
@@ -12,6 +12,7 @@ const INSERT_KEY: &str = "INSERT INTO key_db (
 	creation,
 	not_after,
 	revocation,
+	published,
 	private_key,
 	public_key
 ) VALUES (
@@ -21,6 +22,7 @@ const INSERT_KEY: &str = "INSERT INTO key_db (
 	$4,
 	$5,
 	$6,
+	FALSE,
 	$7,
 	$8
 )";
@@ -29,6 +31,7 @@ FROM key_db
 WHERE
 	sdid = $1
 	AND algorithm = $2
+	AND published IS FALSE
 ORDER BY not_after DESC
 LIMIT 1";