INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b751b4e706304ba880e80ea894ff56da4dd92237a212bad985da5110ff5350be', 
    'SO81kdgeT3xCvZtmVD42+KLFFECkQ20k6lrx4sPP+L8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)