UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B6HDNbFyI/YKA1YgtUfpGisTiW+NEnhfpReLMkEj6HQ=' 
WHERE 
  key_id = '8d6e495b1908d96d3fdd68c85767ddf66a7af93477a0638516fb65179e766de8' 
  AND (
    token = 'B6HDNbFyI/YKA1YgtUfpGisTiW+NEnhfpReLMkEj6HQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )