INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6b1c228b1ada16ba8881bb26e541fdf3da0b4bca216d263890369cde4a472c6b', 
    'DzjAmlbbWl1BZ6ThGSZVt6aYevx+u1fLIxzAaUSjeNs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00061

Result

int(1)