UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r8P131MknHW/snI7fvjHhMHnDFQj5x+renFgRqWTDB0=' 
WHERE 
  key_id = '4a1b852025196f91d5086c7d26c5aaa0ba08d336dba7aa428a15028d40469fb3' 
  AND (
    token = 'r8P131MknHW/snI7fvjHhMHnDFQj5x+renFgRqWTDB0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )