UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'udz9n0qEZWROE1THc2IaQjMzrXTq/3cKhFchB68/bm4=' 
WHERE 
  key_id = '495d6318f771a6f0bc9c48306584b47da1b06a493d16f73fb9db9af5161a4432' 
  AND (
    token = 'udz9n0qEZWROE1THc2IaQjMzrXTq/3cKhFchB68/bm4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )