UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c8HJloC/MM7OUdffHOYQ0cs3ihJBNdroCof5ZX0lZ40=' 
WHERE 
  key_id = '136ee8767adec0b20b52dd669457b741ece064d004919f6f366b64f7486f142d' 
  AND (
    token = 'c8HJloC/MM7OUdffHOYQ0cs3ihJBNdroCof5ZX0lZ40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )