INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1506173104f0f7840ac7d95c5d99b999292683283738c2c6f511a10d176947de', 
    'MZp2SmM+teybUIIrEzT/FeWapiNhCBcdW4JYNEdv5DM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)