UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6wJsbpSgkMzpbvcZcxHacSVK8uVyedbFN9ItDTCTHI=' 
WHERE 
  key_id = '340614a30962b3a38ec176da7f30b237f145fff6f16f84611ec559c8cd7e6650' 
  AND (
    token = 'k6wJsbpSgkMzpbvcZcxHacSVK8uVyedbFN9ItDTCTHI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )