INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c484418423b48466ca50f440eb116e55c0633fea452842866ad0b4d6fcb622ea', 
    'E5iNTsL56fVbSA/LEcbAydJJ9YY0C8dvnGOEJIs63YM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)