UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'scKp7sDm8xp3wsZwtcPwGaOklG6MxXUuTAA7AVZGRrc=' 
WHERE 
  key_id = '8309171d7aec2928145f888d32fc5ff265bcb103c4f1e20225ee1354a7784040' 
  AND (
    token = 'scKp7sDm8xp3wsZwtcPwGaOklG6MxXUuTAA7AVZGRrc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )