UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QzFrdWuIGvA3RBd+7YM3Vlkv/LX7jVxbwOrKH0/DrqQ=' 
WHERE 
  key_id = '79cbef92cc4983efbb70ab53626a207e5ee59eae412d71d8eb0f11a25cc4d734' 
  AND (
    token = 'QzFrdWuIGvA3RBd+7YM3Vlkv/LX7jVxbwOrKH0/DrqQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )