UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ObvJch03ld/40I5sKD0BbXNAwyCmvNNhCI+3WsaV8qk=' 
WHERE 
  key_id = '6dab09fed2cf32f1d44e20e596bea496d200af13895a3601c59741d356bad9c8' 
  AND (
    token = 'ObvJch03ld/40I5sKD0BbXNAwyCmvNNhCI+3WsaV8qk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00047