UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UT97xr8uKV3hNC7pyaoBj2fgB6HKJq/pVy0h+lDX4vg=' 
WHERE 
  key_id = '956b45caa8a9b3e6e73227e33939f9497d9e6ff2dc4ae13c740f8679603565e8' 
  AND (
    token = 'UT97xr8uKV3hNC7pyaoBj2fgB6HKJq/pVy0h+lDX4vg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )