UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gQW5S4oKPEskUu3cahMIqtjudFwe66xLBHDxsWuMhzU=' 
WHERE 
  key_id = '04a8eda290845e44bd2dae9d3ee894a47ce8609384b3f9fefa43ccde3a87dcad' 
  AND (
    token = 'gQW5S4oKPEskUu3cahMIqtjudFwe66xLBHDxsWuMhzU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )