UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MW6TbWj5UHKxnRYcX5VhtmcLLJzChUbzrQJhuhfYsqM=' 
WHERE 
  key_id = '1879018156a791854ec5449f225770d0a553d9a07c89257f7bafbb374b7521cd' 
  AND (
    token = 'MW6TbWj5UHKxnRYcX5VhtmcLLJzChUbzrQJhuhfYsqM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )