UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Si+AxlJw3dbUkwPYw5/A62ahbWEyjmeR1/8cnOroeeo=' 
WHERE 
  key_id = '185c83c1eecda186a2f1a4af2e7505bfd63c2dfda4da30c5e2d6235451cf4a10' 
  AND (
    token = 'Si+AxlJw3dbUkwPYw5/A62ahbWEyjmeR1/8cnOroeeo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )