diff --git a/packages/mango/Doctrine/Query.php b/packages/mango/Doctrine/Query.php
index 1237d72..d435681 100644
--- a/packages/mango/Doctrine/Query.php
+++ b/packages/mango/Doctrine/Query.php
@@ -866,9 +866,17 @@ public function gte(string|array $x, $y): string
         return $this->comparison($x, '>=', $y);
     }
 
-    public function executeStatement(?int $rowsAffected = null): int
+    public function executeStatement(?int $rowsAffected = null, ?callable $preprocess = null): int
     {
-        $actual = $this->builder->executeStatement();
+        $sql    = $this->getSQL();
+        $params = $this->getParameters();
+        $types  = $this->getParameterTypes();
+
+        if ($preprocess) {
+            $preprocess($sql, $params, $types);
+        }
+
+        $actual = $this->connection->executeStatement($sql, $params, $types);
 
         if ($actual !== ($rowsAffected ?? $actual)) {
             throw UnexpectedRowsAffected::create($rowsAffected, $actual);
@@ -919,4 +927,13 @@ public function where(mixed ...$expressions): self
 
         return $this;
     }
+
+    public function onConflictDoNothing(string|array $conflict, ?int $rowsAffected = null): int
+    {
+        $conflict = array_map(static fn ($n) => $this->quoteColumn($n), (array) $conflict);
+
+        return $this->executeStatement($rowsAffected, static function (&$sql) use ($conflict) {
+            $sql .= ' ON CONFLICT (' . implode(', ', $conflict) . ') DO NOTHING';
+        });
+    }
 }
diff --git a/packages/mango/Jose/CachedJWKSLoader.php b/packages/mango/Jose/CachedJWKSLoader.php
index b08d332..59bf59b 100644
--- a/packages/mango/Jose/CachedJWKSLoader.php
+++ b/packages/mango/Jose/CachedJWKSLoader.php
@@ -11,8 +11,6 @@
 use Symfony\Contracts\Cache\CacheInterface;
 use Symfony\Contracts\Cache\ItemInterface;
 
-use function spl_object_hash;
-
 class CachedJWKSLoader implements JWKSLoader
 {
     public function __construct(
@@ -27,7 +25,7 @@ public function __construct(
 
     public function __invoke(): JWKSet
     {
-        return $this->cache->get(spl_object_hash($this), function (ItemInterface $item) {
+        return $this->cache->get($this->url, function (ItemInterface $item) {
             $item->expiresAfter($this->expiresAfter);
 
             return $this->jkuFactory->loadFromUrl($this->url, $this->header);