INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21d0ea13730a3a35b4eb6320090822118acb42b8ed3f354554a5cad1b3cc16f3', 
    'd8qWW/jptiGmP7sVnoV2YCTwbohg//EEJY9GunW1lvo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)