UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FbnOPqghxidLFzdDBUJUpHgZkvMkZRiyuKjwOGDfTQg=' 
WHERE 
  key_id = '855559ff62d45cc7113bb5b99bb52d96ffadc29058da5bb34c8d0a848d48e3ed' 
  AND (
    token = 'FbnOPqghxidLFzdDBUJUpHgZkvMkZRiyuKjwOGDfTQg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )