UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kx11yegbOOw/4cujr+H4Pn5mHtyZw6K5hW+9+C9H4ns=' 
WHERE 
  key_id = '2993e5825ccef6e8448d494fffd28c238de2da1f7645455f43ffd16bb1f10939' 
  AND (
    token = 'Kx11yegbOOw/4cujr+H4Pn5mHtyZw6K5hW+9+C9H4ns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )