INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6c13be92ee1fbece709ce9690a0968f80938d4f28b1161ba4406480e155f542c', 
    'tl1LFmoG54tpHhL7tRKhQXQAjsibNnowOfyDwGsCas8=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)