UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'QHvmkWqu33D/bUkvig2IVzQyCj5XaEEVhEH2oEqiJZM=' 
WHERE 
  key_id = '8bce28b17f0d5b295372f94d4eef421812b366c7b0775298372ac83058954700' 
  AND (
    token = 'QHvmkWqu33D/bUkvig2IVzQyCj5XaEEVhEH2oEqiJZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )