UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5mrbr5gN+NoEa2KddX6GbttrqKqrqufaZOmiJ7oqESk=' 
WHERE 
  key_id = '799e243eae5fe226cce1e2054c57e5cb4d1051480cb77e0697017340e8c870c1' 
  AND (
    token = '5mrbr5gN+NoEa2KddX6GbttrqKqrqufaZOmiJ7oqESk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )