INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c43e7249d901b84013597523e8e941169eaac9094858d947c919928a940da1d', 
    'DmE4jgbSKOvA1fRNOqeahefZK8aUn9y3IISscrLjZhU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)