INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '375eb28676c5c48f1de97009616fa3b7c82a6b2762ebc5a280a71934b35f2e2e', 
    'pR2Gwbk9ctqKzuu5SGsbUUWacWb7oKAX6VEkJ/angrA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)