UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u+cvKunYrd7t2HoRfSPp0sJ76K2cr7RuxDo5dV5yDzU=' 
WHERE 
  key_id = '76e8b66100e0893032f448fd8ccd19518947618b98f74f830a31727684c822be' 
  AND (
    token = 'u+cvKunYrd7t2HoRfSPp0sJ76K2cr7RuxDo5dV5yDzU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )