INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21c6a3de60ee6660c750a04d581e1dd92a2b92cee4a91aa8476e46cd82f53898', 
    'vNzVe9Kx0JoD+srCKRjvDlAB7Hu/HsgshAcCC9TChiQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)