INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '839f415eb9a627fc544314d01766c7e5d368d1f08e31c665cab3f38029ffcb21', 
    '9FGxK+4wSr2XnvhnCoOuiJjW8hcRyIgC+xd4WjhW944=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)