Database: Fix catch exception

Backend/Core/Data/Database.php

@@ -27,16 +27,16 @@ public function __construct()
 	 *
 	 * @param string $queryStr SQL query as string
 	 * @param array<string,string> $values Escaped values
-	 * @throws PDOException When anything goes wrong
 	 * @return bool Whether the query was executed successfully
 	 */
 	public function execute(string $queryStr, array $values): bool
 	{
-		$this->query = $this->prepare($queryStr);
-
-		if ($this->query !== false)
+		try {
+			$this->query = $this->prepare($queryStr);
 			return $this->query->execute($values);
-		return false;
+		} catch (PDOException) {
+			return false;
+		}
 	}
 
 	/**