UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AqEZAjDFxGHPbGuJri3OJ4tmmLYwqKZ30l5+DhWMs8w=' 
WHERE 
  key_id = '93e55a393be0a0164dac756ce1b2b996e8a95ecd8715da3e2e017c64456e36f2' 
  AND (
    token = 'AqEZAjDFxGHPbGuJri3OJ4tmmLYwqKZ30l5+DhWMs8w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )