UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RKWQUPjjZd3oiNcpemK8HR6iySBSn6VtcKaxlQMxjQA=' 
WHERE 
  key_id = '1a9b02ed91bc7a3ca3b7606f444a313fce8134e1babc2b2038d1fc51b83a0166' 
  AND (
    token = 'RKWQUPjjZd3oiNcpemK8HR6iySBSn6VtcKaxlQMxjQA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )