INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'dd2fb2843d6cd309fbb345e47e8d0da6277257f4d209be07cc951d57a79adbf8', 
    'DHq8zMmjZs5IOZdGiLa7KnffYiozK6uwNb4f4TRsONw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)