INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3904089e0e61a098bfea41538c1c9f05c8daae852f640858f36d7ef9754d0941', 
    'p2oCStkgBTNeRO5HRQUDM52t1w6VNe9D2hmTLcdBWgs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)