UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/iuZlnGOWit12svT3X4bExFdzPgdcVHUYMZzAntgOOE=' 
WHERE 
  key_id = '4021557f878d7e1fba09335462dc0382aba6f06758b754970e4fcabd04b81082' 
  AND (
    token = '/iuZlnGOWit12svT3X4bExFdzPgdcVHUYMZzAntgOOE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )