UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nq1/nP/QRW3yckwrHzkscIn6/Rpcb/3XGKQatcJ7IOs=' 
WHERE 
  key_id = 'da3d3de1d88e22fefdbdea43eda2581c57729ad73b445c15233c1410eaf2de24' 
  AND (
    token = 'Nq1/nP/QRW3yckwrHzkscIn6/Rpcb/3XGKQatcJ7IOs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029