UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6pAuBR3vSXzz19ttcfho7vg7gA2mz9xBVfxH8iwn4/Y=' 
WHERE 
  key_id = '9aab3c5a4b6151faf1c217090b9e19d419fb30cad52e76569df4908e1a1192f1' 
  AND (
    token = '6pAuBR3vSXzz19ttcfho7vg7gA2mz9xBVfxH8iwn4/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )