INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '52b30616dc8ed2a133c92e4210c3923d8651ccd4b46100463d9ebede558b53e2', 
    'ZnFJjBNikmA7ruhrCTFnLsDKoDI/ZOM1lfslVOLLZbE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)