INSERT INTO cscart_multi_declock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b4c647dcfd8f61cee22874dcd329d948b8bee517f02d7bafeeeb378fd12c0d2', 
    'C3rrg9OYqUyaaRlJc2sOCKaXptgiDILCkYalUOVqZ+s=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)