UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xyC0fLjUBtGcntpu63SxHoVFZewGwtI7oZTOTAMlz/A=' 
WHERE 
  key_id = '981ae17496583c6ca4e5046e66517099998e4d4b1d8792507c09b3fdfff28ee3' 
  AND (
    token = 'xyC0fLjUBtGcntpu63SxHoVFZewGwtI7oZTOTAMlz/A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )