insert('config') ->fields([ 'collection', 'name', 'data', ]) ->values([ 'collection' => '', 'name' => 'block.block.' . $block_config['id'], 'data' => serialize($block_config), ]) ->execute(); } // Update the config entity query "index". $existing_blocks = $connection->select('key_value') ->fields('key_value', ['value']) ->condition('collection', 'config.entity.key_store.block') ->condition('name', 'theme:seven') ->execute() ->fetchField(); $existing_blocks = unserialize($existing_blocks); $connection->update('key_value') ->fields([ 'value' => serialize(array_merge($existing_blocks, ['block.block.seven_secondary_local_tasks'])), ]) ->condition('collection', 'config.entity.key_store.block') ->condition('name', 'theme:seven') ->execute();