INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c335b11d93cd5239252ef3e95b17842440d9571369d3b7d36c06bfc907b76c4', 
    'ZM1Dd5xTBNOwAt5YhmaUsgHd7fJ4P0pekYkx8X24ULk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)