UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PS4nNNXwh6duO/OVyfBwVkriomAngy/yV2AJWVZRQ+w=' 
WHERE 
  key_id = '3201a84fe37334cff903d4cdd5e5bbb9766f9d90835fd919814e985787a49e24' 
  AND (
    token = 'PS4nNNXwh6duO/OVyfBwVkriomAngy/yV2AJWVZRQ+w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )