INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51596af53969f00823bd2c03fbc308c87e7a5e39388b1bca2e7f3a4d029aeb34', 
    'o1jest0tog6WAoASmhb6wogtGv58tvbpRssNF2WJ8AE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)