UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+xpCy0gwurZbHdMMs8XgFZVROa1MCRGxaxvm7GD/zRQ=' 
WHERE 
  key_id = '494335c87f340bd82743b5b153fd4470cfb60fa38b253f2c93f90fb5c0d8603f' 
  AND (
    token = '+xpCy0gwurZbHdMMs8XgFZVROa1MCRGxaxvm7GD/zRQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )