INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e3d774d9a45554ceb274d1c8fab2602676bdecb7fe987faacb8794051c788aff', 
    'vJf/+d/LjQsTP0mRK1lK9niKBy/KY8TcEK3My/gB/Ig=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)