UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZQ5UVj0V/m5/n7Rd+Fx78fLLsdEWaFfa9s67pCnsTcA=' 
WHERE 
  key_id = 'fa54763654f12a3954a3533e0f11ea4fdf02a3c9490e94d92cd4f1fbc3fa2005' 
  AND (
    token = 'ZQ5UVj0V/m5/n7Rd+Fx78fLLsdEWaFfa9s67pCnsTcA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029