UPDATE 
  cscart_june_setuplock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J4/cn5VYOIACVe5o19OGu3tpzBEMIZWBuNLKEuYWabg=' 
WHERE 
  key_id = '74ecea5ad35f87c845361040c5be4f4308842f29a61925b6a066ec3173f7c2c7' 
  AND (
    token = 'J4/cn5VYOIACVe5o19OGu3tpzBEMIZWBuNLKEuYWabg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028