UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0cYHvlUJupB2eTBtfQ1kFZvc+MhkrRoO2l8y9iuVt4w=' 
WHERE 
  key_id = 'a6fffe51f29ffa48f149745311d627e67698da67332b604e64f0e793b4e9a0d3' 
  AND (
    token = '0cYHvlUJupB2eTBtfQ1kFZvc+MhkrRoO2l8y9iuVt4w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )