UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rf0jGUCNhl8ezHLMB9GuLlfuwXihQ0txHcIr+1yVXts=' 
WHERE 
  key_id = '873ba416b96d9d2b527277fd379934ebf9ed3742c1a9c387445576d205113b46' 
  AND (
    token = 'Rf0jGUCNhl8ezHLMB9GuLlfuwXihQ0txHcIr+1yVXts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )