INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51f93920b293e2562861c87d8e463cdaa935ead314312583d0d2647a0e996af5', 
    'GHoWQiUQfwkj/OngS4ZSu8kWlxlO2n/DSmZA014aofs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)