INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'eb2dd5a463e088f3b43906bfcf30ee3db6869ce2aea9e566635a31e9b9364323', 
    'a9ib6aNaZVoItzBTHxT8JQFQAYk7xP5F5Q6eBtOvkMc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)