UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9721SMeZ1AVbsKvMxAn/7b32Y5blNN5y0louicjEDsk=' 
WHERE 
  key_id = '1d69f3b36fa8b6210dbd720ab5bce9b17936c033b1b36bc55f1ae732fabcbf02' 
  AND (
    token = '9721SMeZ1AVbsKvMxAn/7b32Y5blNN5y0louicjEDsk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034