UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6wlkhvOBSZ7FWya2M7AXYTAWivM6a8jF6l+orYXj2Yk=' 
WHERE 
  key_id = '4d48c107ca891736f5958adacf180c4e16aa71fc400800d6d94efc740f340f04' 
  AND (
    token = '6wlkhvOBSZ7FWya2M7AXYTAWivM6a8jF6l+orYXj2Yk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )