UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WLzHcTQSbcX4NmrSEEyx8rUq4G8GGi42z9y02jryyus=' 
WHERE 
  key_id = '767c9159e35abf1373b4a0e7f33bf2652977c2803fe15406e24e0b63a07818f0' 
  AND (
    token = 'WLzHcTQSbcX4NmrSEEyx8rUq4G8GGi42z9y02jryyus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )