INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e475545b2364168decd3cb8bd535c24c15161058311bab942bf9d50d58722839', 
    'Itf1DF2Ya4a2T8BMMlO/UW1kCvWT3NVcqCCOAuiruYc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)