UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6QXYrI3qkc8kIowzwKjPRFwBdEPg48y02xRVVnzlzmc=' 
WHERE 
  key_id = '727cbb4788b57c81aa443f87a07a2196033f5c373b2c5489f5747bdeff1c4a8b' 
  AND (
    token = '6QXYrI3qkc8kIowzwKjPRFwBdEPg48y02xRVVnzlzmc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040