UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MyWCuflGTirR6ProSLAfZ1ezlZWym2tTWJaK4txUw40=' 
WHERE 
  key_id = 'c702dd18ab0992e1341d2f9e01bb6e8926a5d07654dfe412817d3d029cb01f94' 
  AND (
    token = 'MyWCuflGTirR6ProSLAfZ1ezlZWym2tTWJaK4txUw40=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )