UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KzZZD1Z4W1pO2rpM4nHyBAdOgQc6OxI+7nTqJ0if0/U=' 
WHERE 
  key_id = '6915206a379153f2592162f87c0d6d49f8919ba5888cb4d753c707c0603606b1' 
  AND (
    token = 'KzZZD1Z4W1pO2rpM4nHyBAdOgQc6OxI+7nTqJ0if0/U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )