INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'cd1b251de3d23420053588da152bf4db833fefac13309189b97690c1e22cce5c', 
    'ELNhjn9ssaf14p2JEKu92IsMNKGTvAOn3wDTLD2fFqE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)