INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'b60b48d7afde89fc212f09448a6003bf0754fe02a6a5b839996e16d96cdb919c', 
    '8pItqQ4ANZZOB+oxHjF4wfvueD8Vl16aiRACyZGFtrE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)