INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a6946c9e0fda5e93ce67f736b4a955a46b6b14e797531e5b4cc36e69faae0b29', 
    'jEzVBNW1KFTnAkHUJ+nQuV/I6DDZuiyGbzG0tOMSzSk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)