INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5c299652e211226d8310fe8cd9c14050746b9703a86d6148e7990016865d828c', 
    'DXQzWPouaoJ6sUZ+feKVPt9w8Y9blfXZUFggXc6lWTg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)