INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '20fcda3cb1360477e732a550e40c1821225503f501ce3bd9e1018a55695c303d', 
    '80Cb81TRWTwJocKbwify49bm62utTMd6MrPxgIyd2Bs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)