INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b4321a33e5580c845f5a345581d3876da55bb8cf864d4479a7e2ee17d1071578', 
    'XmdP0j/Qo7zF3Rn4KLy9OKn1OcEbBrXjG7CtW/m53Hk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)