INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '39eb43cef5277a588d2dcb56951210b8cd73ea3261e82494152f06a408d6ee75', 
    'KGt5B/BtLnIWMurJESLLr4jlBqfCnUQZUINN1pR30Kc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)