INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c49ff682b84395619445541f3523407d7a813eeb9cb563f19784fd29ad395f9', 
    'Js2NPwFJL7eLjXNJaw8Hf7ObPpbfezWY4cZSGZp/t7U=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)