UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BMuZasH4yaMZS5ulYS3oTu8o8EkvatV8MDHJz+0YRwM=' 
WHERE 
  key_id = 'a0b43fe96030903642148bc6f471e8e81c630f237d23d2d1404700915c082c6e' 
  AND (
    token = 'BMuZasH4yaMZS5ulYS3oTu8o8EkvatV8MDHJz+0YRwM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )