INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a9dba31334a16b1a46858d99703be7f5b09215ece0341e4d2c6362821ba0ef10', 
    'R3hmREB0MJz0pGAQYtQ+QCtp1jzjVpW36bscnSZQm8c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)