INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '9b3db4885af2fd8efce210a86ce018c50e947a8cdf528c046259c59405be1282', 
    'qLYkJIU3B/KdHH6ucMnqfZIZskgfvMHyBsuwJsv4zPI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)