INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6db24dfbc9621e2e7f17273b5b0e667baae7fc592e0bafb1812a1487834494db', 
    'sMx5o9A69VqLaBA4Sae4IvANkByywosxifLLcv6C02E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)