UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rzwq8hKpwtDRYd4+D7vct1GOi3BfIwvcR6xHAUpyT/c=' 
WHERE 
  key_id = '4f7fa539a98a69089ebce8147a400b8a2f763fa95465180380a0200122f148c4' 
  AND (
    token = 'rzwq8hKpwtDRYd4+D7vct1GOi3BfIwvcR6xHAUpyT/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )