UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'unCKjbRWnjyLk1hWsHt/U+ozizlf5PISZxpTWIP+BaM=' 
WHERE 
  key_id = 'd9967de7febab4bd50cb51c1772ddc070f386b99d420a384ca0e45eed838019a' 
  AND (
    token = 'unCKjbRWnjyLk1hWsHt/U+ozizlf5PISZxpTWIP+BaM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )