UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vw30gVyvQVuK/14hRmlgS6/LExei3F5rAsSMN31fens=' 
WHERE 
  key_id = 'e1d551cadeaa51a1cc5aea340f4df6dfcaaf8a48f102b6dd361c54084c87d7e6' 
  AND (
    token = 'vw30gVyvQVuK/14hRmlgS6/LExei3F5rAsSMN31fens=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )