UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Cslu3q6j0HYUBWFKFVlGcf1T2rfmSTdowXdB5SvSrk0=' 
WHERE 
  key_id = '524ea5160307d2b4ac27669d3d80b252cbe4e26239d9374589391fb68b68b810' 
  AND (
    token = 'Cslu3q6j0HYUBWFKFVlGcf1T2rfmSTdowXdB5SvSrk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )