UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OcMMU6Ef8zUVPJmzBKwBv/hCPy15jQoBi8zdi4zQyns=' 
WHERE 
  key_id = '50dfcd8239c87f5ae69d2ab96a24419c86a184c43ad1c09ed97610ccb8431220' 
  AND (
    token = 'OcMMU6Ef8zUVPJmzBKwBv/hCPy15jQoBi8zdi4zQyns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )