INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '303e96380f6e5d93fe1bbcf924a70114a0ac25a36489eea6bd02a70db5a8009c', 
    '/xLtfM9oJYCDdXzlXQlyiPhvMDrXCIZ666sVEzQgk/Q=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)