UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vMlzSs578TCjRwe198yPFZuDw51ccB6Vlve1OCTEF+s=' 
WHERE 
  key_id = '97b6755c7dea0c1e81cf79a18eff3c3a3de66e5106009d842805236d6d9ae4ca' 
  AND (
    token = 'vMlzSs578TCjRwe198yPFZuDw51ccB6Vlve1OCTEF+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )