INSERT INTO visitors (c_ts, hash, remote_addr, country_id, http_referer, user_agent) VALUES (1571863976, 'leo1imj620idps9o8exq', '3.209.80.87', '--', '', 'CCBot/2.0 (https://commoncrawl.org/faq/)') Duplicate entry 'leo1imj620idps9o8exq' for key 'hash'