INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15ee74312666783b03996db7dd12883d5d24fba1388409b7784bf5926447a302', 
    'yR/+atus0t0TBKigiJ7NHWS5h4ghm5dQeZ5TAHN0yJs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)