INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21c7e6feae011c981aeef2039e7d61d92f89e116b4ee1a98bb2b11278753e91b', 
    'IIYk2rd5wXJKJ+Wq1MLnXbZwnGdZkqI3lbMW+/yUXUA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)