INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1645018821c02add9342de97769887bc7c9116c6407d64611187eec2c45972b8', 
    '88aTNyi1RFoNqkZHDPsb0TpXJM7ipZBJXgDLJH+TfFw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00053

Result

int(1)