UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D1En++0G7Gc5HIDzWx9By6bViK+sUma8MZmYA64uKSY=' 
WHERE 
  key_id = 'f81b3b004662fefc3d3e18677a5126913646a45bda571097cfc24cadf9bbd494' 
  AND (
    token = 'D1En++0G7Gc5HIDzWx9By6bViK+sUma8MZmYA64uKSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )