INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'fc814ccd3a6c1ade04369a3320846d31519255b9c502f655c10e4ee8d3a3a20d', 
    'AHbpJjhImfcvSQz2FwpBZorc4L4IgAJwsY1dQAugt7c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)