UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N2XAAs5u5HK23yV4ntvclP91dQKUCqGZ8U5gq59SGps=' 
WHERE 
  key_id = 'a68e42894e8f0426b9ca58509b2adc88471f7eac4828b9d10a067f57ec7d30c3' 
  AND (
    token = 'N2XAAs5u5HK23yV4ntvclP91dQKUCqGZ8U5gq59SGps=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )