DECLARE @now DATETIME2 = getdate();
UPDATE T_Munkakortipus SET
  C_Alkalmazottmunkakortipusid = 8386
  ,Serial      = Serial + 1
  ,Modifier    = 0
  ,Lastchanged = @Now
WHERE
  Torolt = 'F'
  AND Id IN (6452, 8372);

UPDATE T_Munkakortipus SET
  C_Alkalmazottmunkakortipusid = 8384
  ,Serial = Serial + 1
  ,Modifier = 0
  ,Lastchanged = @Now
WHERE
  Torolt = 'F'
  AND Id IN (8736, 8737, 8738, 8739, 8740);