INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8a51117448d39b5f6bb097fc49c72d20698044f04aabab80a566db60c8242751', 
    'DHN9HVbXkgxrLyLvH6edxdcfddTVCn6020KthbE8FiY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)