INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6915891e7e65a0534ebdb9997416f9063fd3ac89f8d745d4711ead0f53698468', 
    '6lDUdVSzpdgxzHp2+fBhXyT5yC5aqm2oOwKMO5Lgj+c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)