Вы можете использовать что-то вроде этого,
Declare @Interval Varchar(30) = '15:00'
Insert Into [TableName]
Select EMP_ID, CAST(Convert(Varchar, SWIPE_OUT, 23)+ ' ' + @Interval As DateTime), SWIPE_OUT
From [TableName]
Where SWIPE_OUT > CAST(Convert(Varchar, SWIPE_OUT, 23)+ ' ' + @Interval As DateTime)
Update [TableName]
SET SWIPE_OUT = CAST(Convert(Varchar, SWIPE_OUT, 23)+ ' ' + @Interval As DateTime)
Where SWIPE_IN <> CAST(Convert(Varchar, SWIPE_OUT, 23)+ ' ' + @Interval As DateTime)
AND SWIPE_OUT > CAST(Convert(Varchar, SWIPE_OUT, 23)+ ' ' + @Interval As DateTime)