INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1240e9421d955cfead41f0f9222b45120736cc51fca48c1f15f56382e3ba641e', 
    'ex2UUYRxPfXW2hH3vTySjRqnUJze6y0WmPRd8wTNpT0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)