UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CIoifP3gPiuyZzoT+MiTxyTm7MEsO7hWJyIwbTskf7Y=' 
WHERE 
  key_id = '341a3b45c1277d71751ef9608d0d5bba9d0f544c9c6ffd60ccbea87b901f4b3b' 
  AND (
    token = 'CIoifP3gPiuyZzoT+MiTxyTm7MEsO7hWJyIwbTskf7Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029