query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE option_name LIKE %s", 'cf7_mch_%' ) ); $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE option_name LIKE %s", 'cmatic_auth_%' ) ); $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE option_name LIKE %s", '_transient_cmatic_oauth_secret_%' ) ); $wpdb->query( $wpdb->prepare( "DELETE FROM {$wpdb->options} WHERE option_name LIKE %s", '_transient_timeout_cmatic_oauth_secret_%' ) );