UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c/6rxTSvn/0axdBBylQvP1xjolBX8s3du8I9uZsGuI0=' 
WHERE 
  key_id = '0939d1683a42913a7b9477ae0184af03d026ab623f0540ed1516dc3272c9b55d' 
  AND (
    token = 'c/6rxTSvn/0axdBBylQvP1xjolBX8s3du8I9uZsGuI0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )