UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W0Zfj1hRueq568tkM269HGncLTN4ra3bwcSynwUQq+4=' 
WHERE 
  key_id = '6e0681572091448f58d63d5cbabe87553e8536cd023726e39669b3dd177c0583' 
  AND (
    token = 'W0Zfj1hRueq568tkM269HGncLTN4ra3bwcSynwUQq+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )