INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '3842997ecec3c914274d178c891527a26568fc7a480f86c3bb540723bcff8209', 
    'uEwZFIoFtMxCSkXc9Q21F5SHxkFIAn/HzNdYyuO9ApI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00037

Result

int(1)