UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5Ay80/YhsLSuIWszjPuGD6vSQBlULnDj+n/Cq2+ag9Y=' 
WHERE 
  key_id = '39b8cdde1122a00ae264f13a326889e15e105ccb6c6dca03a94e8895c079d73e' 
  AND (
    token = '5Ay80/YhsLSuIWszjPuGD6vSQBlULnDj+n/Cq2+ag9Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )