UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/mWq39Z8VbkacWa3JCLVywq+MTeNrY/zW7hAUsGPeDQ=' 
WHERE 
  key_id = '686fdc464fabfb80e8cc6eed0f99e92a79deb39d37b063a0d196df19ba5c207f' 
  AND (
    token = '/mWq39Z8VbkacWa3JCLVywq+MTeNrY/zW7hAUsGPeDQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )