UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'krkcvixUw6AKd3zRWIDdiFmcu3uEXe47qQWVz+ieHfQ=' 
WHERE 
  key_id = 'c0c0f91097687ad6573e4ec009e15b853b927553e9812ed810e6b6658f987ca9' 
  AND (
    token = 'krkcvixUw6AKd3zRWIDdiFmcu3uEXe47qQWVz+ieHfQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )