UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c5bv8F543vJEcVaKTxD9g8SKMFzOPnbm7tkSS3j7eVc=' 
WHERE 
  key_id = '24c0ab2a6bd56a81022f68b344e1713beae49cc30b0f9bd43526fdb1becb76a8' 
  AND (
    token = 'c5bv8F543vJEcVaKTxD9g8SKMFzOPnbm7tkSS3j7eVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )