INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7d4e170e00574c409ce346442f7721208cf7e5a662e969f80cafe8dd13fb4765', 
    'JiuwclDmu54f9lqDn//MCFOCPdhC9wubAbjPUuoMnKw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)