UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P4mJx4TWth+Tc683eXn3VlZBwJO2QJzlakKc1OhXzuE=' 
WHERE 
  key_id = '81f45daaa672468f23b8d628b3d5bf099debf52eb0c3de99a1bd80c64f21ce46' 
  AND (
    token = 'P4mJx4TWth+Tc683eXn3VlZBwJO2QJzlakKc1OhXzuE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )