INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ad9bc68021bd0a7eb408e1ac2da22ed2c584fd750750086bf78092b132cdae7d', 
    '5Qz1riLahAldkMzzFKDjS81NjEugCeDkoQCvauGM+xg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)