UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4ehCQMEpWTmNYXkgDr/6bYhjnDZWlFP7mmJycPBqvC0=' 
WHERE 
  key_id = '7b6343ba2f047c326978613a4b27e05c79b66a234cd6af68159ccac1bf7148e3' 
  AND (
    token = '4ehCQMEpWTmNYXkgDr/6bYhjnDZWlFP7mmJycPBqvC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )