UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AqGJ1KzxuI/u03IGsW//3yaqwEIJ8CnDB4GFwo6MAbc=' 
WHERE 
  key_id = 'aff2b926127d978a55de9f75c84ebee07587d98564391a9581a435a9e3912d20' 
  AND (
    token = 'AqGJ1KzxuI/u03IGsW//3yaqwEIJ8CnDB4GFwo6MAbc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )