UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ShVWlzxZh8xNvIhBDcyi9jJtE4ddHl2rs9KSpZoczhI=' 
WHERE 
  key_id = '33c760337b10bf42b4b632c980b4954f11384950a3c531e29d9595580c09705d' 
  AND (
    token = 'ShVWlzxZh8xNvIhBDcyi9jJtE4ddHl2rs9KSpZoczhI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )