UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PG/xR9aG63FF7BAVa9LTOmoiuyZ406IdWRqUGELq4X0=' 
WHERE 
  key_id = '5b81936ecf1288b9f372b4d5c86fc380b3cf4d063b6ae39ae36c09bdc5eee9c5' 
  AND (
    token = 'PG/xR9aG63FF7BAVa9LTOmoiuyZ406IdWRqUGELq4X0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )