UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a1gu+/go5ELBI0z29qSK38K/DECtw6ZIuAEU/pT7UuI=' 
WHERE 
  key_id = '330bf4272e350d5d398acc25e43e717f783ee1307a941017174c4fd127112ac3' 
  AND (
    token = 'a1gu+/go5ELBI0z29qSK38K/DECtw6ZIuAEU/pT7UuI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )