UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '79vO2xF3P2PfxWHdojjiVPDffFzfopA2/nievIenSbk=' 
WHERE 
  key_id = 'c3f635b2b82ce662cf56134a62a7999c107b82a53ee12323852a5304395e4479' 
  AND (
    token = '79vO2xF3P2PfxWHdojjiVPDffFzfopA2/nievIenSbk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )