INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '52d4d17f84542da95b6a6362d9da1c3c869398e8ea7da5dd67c32c1a11ae8afa', 
    'aOw38+50lE0tWsrRrHoiaEoiqj6cOExcQs0CCLdeTvA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00026

Result

int(1)