INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15edfd70e9a266bae7f03eb430b1c6d5e515374b2863161d7207abc1301778b3', 
    'cuttlM3gTN4JxvTVCHR+7hUlEEOG/ZvNtzEOZ4pneIc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)