UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U+K5Zpk/K8O2pNlWguXeaH9OkU+PE7NdSWZpy5iDpQ8=' 
WHERE 
  key_id = '34b2d16d89ca255b584ea7144580d910c466dd896e55681d9622e1a75f48c6a2' 
  AND (
    token = 'U+K5Zpk/K8O2pNlWguXeaH9OkU+PE7NdSWZpy5iDpQ8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )