INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5473278c8b8a3b06477ec335b1519169e996262768f7202b6837ec2bb53503c4', 
    '4o0JKaZQtRjBdt6/GeKMm9kTY9NoKBP4JeYn4stpahY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)