public void deleteAuthHeaderByCustId(int cust_id){
		 Connection con = null;
	        Statement stmt = null;
	        try {
	            DBconnection dbCon = new DBconnection();
	            Class.forName(dbCon.getJDBC_DRIVER());

	            con = DriverManager.getConnection(dbCon.getDATABASE_URL(),
	                    dbCon.getDB_USERNAME(), dbCon.getDB_PASSWORD());
	            stmt = con.createStatement();
	            stmt.execute("Delete From auth_tokens Where cust_id = " + cust_id);
	        } catch (SQLException | ClassNotFoundException ex) {
	            System.err.println("Caught Exception: " + ex.getMessage());
	        } finally {
	            try {
	                if (stmt != null) {
	                    stmt.close();
	                }
	                if (con != null) {
	                    con.close();
	                }
	            } catch (SQLException ex) {
	                System.err.println("Caught Exception: " + ex.getMessage());
	            }
	        }
	}