INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '1f7d4baab034575b134d0a8973db3144819be41a0ce2943e8ce08fe73304c31d', 
    'VeXfUzm2BcyB4DIrLNN0Yb3OC6lv9YRLqsKKxyn2UeQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)