UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R4aOzxD29FDJOTpdmm8At6+FZnKpwjN7nfh1GjITW+g=' 
WHERE 
  key_id = '42414e9a28e520a7fca92f7b926d54198d0c5145c8ca6f3df7476a4b705e50b4' 
  AND (
    token = 'R4aOzxD29FDJOTpdmm8At6+FZnKpwjN7nfh1GjITW+g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )