INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '419f84e337aba4cdb4ecaa69d9244482dc892bea69464e2a2ad2e00008850777', 
    'i8Y5k5iTO7MuknWb8TdHj2GBpILphZlotD35GAgC9dI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)