UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VkZrXJM92ZHeFKI4IezBzfItgcyaK/rfx76Y/HQKKPo=' 
WHERE 
  key_id = '94ae51708dba8365190753dcbc9a32c639a8124139587c558e6313042c80bf91' 
  AND (
    token = 'VkZrXJM92ZHeFKI4IezBzfItgcyaK/rfx76Y/HQKKPo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )