UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dxdvMCazcuefMCqZrm43oXljsJ8BrGIYQsWyIvWuaJI=' 
WHERE 
  key_id = '815365f95ecb7f497b91cf2a939c5a90f41555ec70a3dfcc149b9de284395b21' 
  AND (
    token = 'dxdvMCazcuefMCqZrm43oXljsJ8BrGIYQsWyIvWuaJI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )