Something like this?
Code:
-- ================================================
-- Template generated from Template Explorer using:
-- Create Procedure (New Menu).SQL
--
-- Use the Specify Values for Template Parameters 
-- command (Ctrl-Shift-M) to fill in the parameter 
-- values below.
--
-- This block of comments will not be included in
-- the definition of the procedure.
-- ================================================
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:		<Author,,Name>
-- Create date: <Create Date,,>
-- Description:	<Description,,>
-- =============================================
CREATE PROCEDURE IncrementQuantityUsed 
	-- Add the parameters for the stored procedure here
	@dateUsed datetime
AS
BEGIN

	UPDATE b
	set QtyUsed = QtyUsed + 1
	from tblBatch b
	inner join tblCards c on b.BatchNo = c.BatchNo
	where c.Issued = 'Y' and c.DateUsed = @dateUsed
	
END
GO