UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n6HuQnRN+5GzO82iSH0BhwmUrwUhRsqRN/KVURYYnbk=' 
WHERE 
  key_id = '7a16d25a45699655cec21cd533372894332e2b7a3e9671d26a454c3390817a6a' 
  AND (
    token = 'n6HuQnRN+5GzO82iSH0BhwmUrwUhRsqRN/KVURYYnbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )