INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e1c318ff32ea24489b40c7c03f4a4beddb798973f4a421d3913849c9db69bfff', 
    'tn0UcaapSFSlVBcElkkYBrpKXPus4kJYD2hPxE8kYDo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)