INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0839504205f32dd6744fd21965390c115a53013aa5291a1a6d515299779e7feb', 
    'HfTznFW8rgwbakRRgAOYbJaZqVKxSZmEHo3yOC42U4A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00066

Result

int(1)