UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1RSsTUvUkfgbmeN6wLsIRo+8hF3S18pje4lCS9VjFhQ=' 
WHERE 
  key_id = 'bd81b55d7f824775376537437d2c82e3a7be0243c78b7edfc0d07d2e94a6a77b' 
  AND (
    token = '1RSsTUvUkfgbmeN6wLsIRo+8hF3S18pje4lCS9VjFhQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )