INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4c3f02a45f91afd8e2c02f4e5453a8b8754309ef14888ab6f4a260ef527111a4', 
    'yHekNhpv6gVlnwWHQqtOQk9S0IssdpB5kK95AW0DxFw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)