INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6546b7a8e9b1cfe709995a43ef324777103650dc92b824704de150fff04720fb', 
    'wQmTO06YVaJ8l4rYoWpC1bZakj8RJ2//Z5Zn0NVHPhA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00046

Result

int(1)