UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/ePr047YkCz+l9ESN5UwOhPZGu8l2eLK9kjKDHU0cpg=' 
WHERE 
  key_id = '549e28869eb05e08929edb9e0589251784791100eece606dd34dee8bfd18587e' 
  AND (
    token = '/ePr047YkCz+l9ESN5UwOhPZGu8l2eLK9kjKDHU0cpg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )