UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e3zxmpApQzNYufnLMXrxQq9EKqGBSys435mqGqvotv8=' 
WHERE 
  key_id = '4cbd3ab8b3e427d215af82500175d30790a4a9cc639862d183d0aabec7215844' 
  AND (
    token = 'e3zxmpApQzNYufnLMXrxQq9EKqGBSys435mqGqvotv8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )