INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7509eb0ba41266c521e248909091ffaa7a4f474dbeb0883275a18739a7095fc7', 
    '0wfwI96XdLXQXZ7yEE9mtmS3qbhzWIRp22eGT/UzEtw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)