UPDATE tbg_savedsearchfilters SET value = 
                            case value when "open" then "0"
                                 when "closed" then "1"
                                 when "open,closed" then "0,1"
                            end
        WHERE filter_key = "status";

# ROLLBACK
#UPDATE tbg_savedsearchfilters SET value = 
#                            case value when "0" then "open"
#                                 when "1" then "closed"
#                                 when "0,1" then "open,closed"
#                            end
#        WHERE filter_key = "status";