UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PLlameBCBUvpdKixXuV4tHNL80M+lY/+uVHtoCLcRO4=' 
WHERE 
  key_id = '931f38e5af9d6632bcca8e84b2641d04ae97aa0855df7d397246700e0a747c5b' 
  AND (
    token = 'PLlameBCBUvpdKixXuV4tHNL80M+lY/+uVHtoCLcRO4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )