INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6d5cddce8e2a6b82056ed57020d93397f42702f5a90d56cb7aee8657099b9521', 
    'MvCeTmuHQxUGe0FxzJHCCDcE2fI5tZYbd9VkHtUYGDA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)