INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1c592af1bff1a3ab0deffad539c60bd31357ea242a84adc5862b822d33bccba2', 
    '39JLhH0U8BOHR1w3iOIxWqqlQpXj5r10GJD3QgaTW7s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00023

Result

int(1)