UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VnAQq49oZT04HmpKAIqiiu/PDcyD4CEAzHsP9MSUXSc=' 
WHERE 
  key_id = '59d93a2dfee4ff559035cbc2c496e11bc65cf7f677f61c1ce9605d0509ffc478' 
  AND (
    token = 'VnAQq49oZT04HmpKAIqiiu/PDcyD4CEAzHsP9MSUXSc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )