UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PM1tAOdJu09ISHUGQSBHbKZc8JHQwszvii//NejxqOA=' 
WHERE 
  key_id = '8af508c57c684930743fe6656a497ebf9d47afdc2aea37b61be90752c9a979ce' 
  AND (
    token = 'PM1tAOdJu09ISHUGQSBHbKZc8JHQwszvii//NejxqOA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )