INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8fec1bfe181e15715ee4717537d9f41ee6340a688615abefe0607430ca0da2e5', 
    'kSa3fjHsBtwv3g2dhC8xIizdDDDegFyQD+gc3cUFnFc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)