UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1MmEiy5hVC6mBxViE2beUrCpM5wSLVvzRAlh3z7zwBU=' 
WHERE 
  key_id = '15cbae15bc1340a967fc373e0241e8975a1b83d5b9d35b400c243db1b2095a90' 
  AND (
    token = '1MmEiy5hVC6mBxViE2beUrCpM5wSLVvzRAlh3z7zwBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )