INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '76c450c555425b202290a84a7b5b05d8aa9394090e4f0882fa8f4d0432269c27', 
    'yjMx8PjkC+GHuNff+FmB3OQo60vsp4SeGc09JAKxHaY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)