UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r3iQp5UcM6pyI9mITgMKP9lMHcPPmXPSuJTXe8joaMQ=' 
WHERE 
  key_id = '54eaa8dac5869242fe273a35700841a297c3de0f97c9281e03808b902665fd28' 
  AND (
    token = 'r3iQp5UcM6pyI9mITgMKP9lMHcPPmXPSuJTXe8joaMQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )