UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6a94aBloR2ddQijXNAtdZA+IWDZTAnczD+gEovMissU=' 
WHERE 
  key_id = '81afc324074b01a4b0bbbc36013164ed6881371d38f9003eb31e040d0b8ecaa5' 
  AND (
    token = '6a94aBloR2ddQijXNAtdZA+IWDZTAnczD+gEovMissU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )