Help with Switch Value in Where Statement

--Original
Select
    id
    ,team_lead as "Team Lead"
    ,start_date as "Start Date"
    ,lot as "Lot"
    ,sku as "SKU Description"
    ,production_step as "Production Step"
    ,units_required as "Units Required"
    ,status as "Status"
    ,units_completed as "Units Completed"
    ,...
From glx."The New Plan"
Where
    team_lead != ''
    And team_lead = {{Select_Team_Lead.selectedOptionValue}}
    if {{switch_show_completed.isSwitchedOn}} = 'false' then status != 'Completed' end if;

Order By
    start_date desc
    ,lot desc


--Revised
Select
    id
    ,team_lead as "Team Lead"
    ,start_date as "Start Date"
    ,lot as "Lot"
    ,sku as "SKU Description"
    ,production_step as "Production Step"
    ,units_required as "Units Required"
    ,status as "Status"
    ,units_completed as "Units Completed"
    ,...
From glx."The New Plan"
Where
    team_lead != ''
    And team_lead = {{Select_Team_Lead.selectedOptionValue}}
    {{if switch_show_completed.isSwitchedOn == false then "And status != 'Completed'"}}

Order By
    start_date desc
    ,lot desc