UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n16FdSbOcO8iqcsDZa1p5+EcVT/0iu7aQbqhz9NXjKQ=' 
WHERE 
  key_id = '7dd71baa3909ea0d11d6daa81d936b81beb12b47617fbf3bfec795f9e32dfedb' 
  AND (
    token = 'n16FdSbOcO8iqcsDZa1p5+EcVT/0iu7aQbqhz9NXjKQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )