INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4103b54a5a26b9948f83fd2a743c7a3ec6efb8256615ffb4511bb8f00a7e335b', 
    'rkdSrpWUUEsRTzURQlfSpH20//AVk3SPVgG1K0NDhqM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)