INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '0fe72c1e1a3ee3b749609a11efcd75f734e65d2cbf16702a0186cefe7af1c2db', 
    'U87B66bfSgB2EMxRoJjEo2Qnn2dnfoxBkF2e4dVJZfI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)