UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r83SO7LZUVWh9x5oki2FK9Oq/8mh7PLSvqcHihT4AzM=' 
WHERE 
  key_id = '50019e5ea93ef39c2a93dfb53dce55ad9892d83bc79338708e815354e2fe4e60' 
  AND (
    token = 'r83SO7LZUVWh9x5oki2FK9Oq/8mh7PLSvqcHihT4AzM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )