INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'eaa44e80b2992c546e874641d6385146346f57f011913d30b1f8ee270dab0ced', 
    'DHbHu0ZLr1L4XjWDFn9xjf1gPKMY0fdUWt1xzxbxlJI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)