original_string: private function _update_next($id): bool
    {
      $id_alias = $this->db->select_one('bbn_observers', 'id_alias', ['id' => $id]);
      return $this->db->query(<<<MYSQL
        UPDATE bbn_observers
        SET next = NOW() + INTERVAL frequency SECOND
        WHERE id = ?
  MYSQL
        ,
        hex2bin($id_alias ?: $id)) ? true : false;
    }
code: private function _update_next($id): bool
    {
      $id_alias = $this->db->select_one('bbn_observers', 'id_alias', ['id' => $id]);
      return $this->db->query(<<<MYSQL
        UPDATE bbn_observers
        SET next = NOW() + INTERVAL frequency SECOND
        WHERE id = ?
  MYSQL
        ,
        hex2bin($id_alias ?: $id)) ? true : false;
    }
code_tokens: private function _update_next ( $ id ) : bool { $ id_alias = $ this -> db -> select_one ( 'bbn_observers' , 'id_alias' , [ 'id' => $ id ] ) ; return $ this -> db -> query ( <<<MYSQL
        UPDATE bbn_observers
        SET next = NOW() + INTERVAL frequency SECOND
        WHERE id = ?
  MYSQL , hex2bin ( $ id_alias ? : $ id ) ) ? true : false ; }
docstring: Sets the time of next execution in the observer's main row.
  
  @param $id
  @return bbn\db\query|int
docstring_tokens: Sets the time of next execution in the observer s main row .