UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l6wevB6ZMmesN9Ndwk8r4doCDJKe2jlXhQfBPdwHKFI=' 
WHERE 
  key_id = '56c5040407aea8dbdadbc462e293005ae9c99c8025a671516f636b1243a7e7c0' 
  AND (
    token = 'l6wevB6ZMmesN9Ndwk8r4doCDJKe2jlXhQfBPdwHKFI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )