UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+dogJL+3QX8EvtiyyjOnm6xBielNic9Uo7CUZ7sOuf0=' 
WHERE 
  key_id = '6cb2cdcf3b66331e087d3c54132e102a5f4af937f86f6a3d51afe7b16059d248' 
  AND (
    token = '+dogJL+3QX8EvtiyyjOnm6xBielNic9Uo7CUZ7sOuf0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )