Параллельные запросы, deadlock при одновременном поиске и обновлении записей

CREATE PROCEDURE [dbo].[GetData]
    @row_id uniqueidentifier
AS
BEGIN
    SET NOCOUNT ON;
    SELECT *
    FROM [dbo].[DataTable] INNER JOIN [dbo].[DataTableExt]
        ON [dbo].[DataTable].[id] = [dbo].[DataTableExt].[id]
    WHERE [dbo].[DataTable].[id] = @row_id     
END

CREATE PROCEDURE [dbo].[UpdateData]
           @row_id uniqueidentifier,
           @row_value1 int,
           @row_value2 int,
           @row_value3 int,
           @row_value4 bigint,
           @row_value5 bigint,
           @row_value6 bigint,
           @row_value7 bigint,
           @row_value8 bigint,
           @row_value9 bigint,
           @row_value10 int,
           @row_value11 int,
           @row_value12 int,
           @row_value13 int,
           @row_value14 int,
           @row_value15 int,
           @row_value16 int
AS
BEGIN
    SET NOCOUNT ON;
    declare @counter bigint
    exec [dbo].[IncrementCounter] @counter OUTPUT
    UPDATE [dbo].[DataTableExt] SET
        [value1] = @row_value1,
        [value2] = @row_value2,
        [value3] = @row_value3,
        [value4] = @row_value4,
        [value5] = @row_value5,
        [value6] = @row_value6,
        [value7] = @row_value7,
        [value8] = @row_value8,
        [value9] = @row_value9,
        [value10] = @row_value10,
        [value11] = @row_value11,
        [value12] = @row_value12,
        [value13] = @row_value13,
        [value14] = @row_value14,
        [value15] = @row_value15,
        [counter] = @counter
        WHERE [id] = @row_id
    exec [dbo].[IncrementCounter] @counter OUTPUT
    UPDATE [dbo].[DataTable] SET
        [value16] = @row_value16,
        [counter] = @counter
        WHERE [id] = @row_id
END