UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'X8mv/MF/bwSv+dxiYs1yCVE4JLHTjSerymuTEGPkIcg=' 
WHERE 
  key_id = '81cd798b4f800f0d80527693394a2c2223afd6b23c0d238abae68f0943b3fa51' 
  AND (
    token = 'X8mv/MF/bwSv+dxiYs1yCVE4JLHTjSerymuTEGPkIcg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )