UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Co4mgn6gh3FwjhDyCgiNYU4HZM1FmqnBJllIzi6Cps0=' 
WHERE 
  key_id = '683ba80ad0a5598e66429a575da5b8fb7cf2b3e1e9a409ff2100e24d7b9e5f63' 
  AND (
    token = 'Co4mgn6gh3FwjhDyCgiNYU4HZM1FmqnBJllIzi6Cps0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )