INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21fb175866805bcb9a45f5eef036bcb9feeed81220338663f6be3f34d442198c', 
    'Z6UxqAVZuJ+5owC2QTrd2I6Wl6ZMBSraff5ldyyT5yg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)