INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6735843d053ea863e586593e5fc52edf576f86ef1f56634ca04d451e7fce799e', 
    '/4z2r9GeFT1YMTOqQENVyZxQa1sJq7BjsMA13PHkqo0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)