UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Un6l5qPaGndWN3lt0FiEzIL9KVepnxjsgdaf2/EZ88I=' 
WHERE 
  key_id = '7727ccb9012f80b639fbf753fad9723986155ac97b93e5d09db8124964b22c5a' 
  AND (
    token = 'Un6l5qPaGndWN3lt0FiEzIL9KVepnxjsgdaf2/EZ88I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )