INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3f8b46698d0df0eab00f065a588faf07d17253565be51c5a566f2233fd1897b9', 
    '5HR9ionQyK5FtAEfJRaF72arcBDrno1uPAd4Gog3u1M=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)