UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LtyoI2ZsaaMEn9ZVQ52gEv1jAIeuHKwDDEqOykBDzps=' 
WHERE 
  key_id = '836f1396fd53b96560000efbb903e2ed996e66b09852b220f92c09c926d6baef' 
  AND (
    token = 'LtyoI2ZsaaMEn9ZVQ52gEv1jAIeuHKwDDEqOykBDzps=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )