UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cmbn+ua/QCHRz38qZB0pHNITwwiDwgLh8QDwYybGRnk=' 
WHERE 
  key_id = '21c4ebac2d25a386867cbed97f2edcbae7c4bea473bc386417cb577eeb3c19c1' 
  AND (
    token = 'cmbn+ua/QCHRz38qZB0pHNITwwiDwgLh8QDwYybGRnk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )