UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FN2ZAk/3koCIX2QQpfGM5AIVm2DGNSSGlH5XScM+xPc=' 
WHERE 
  key_id = '6dbf93e8736b0bdcb2ce965a84cbed560561ebd2fc812bb74bf42968b056350d' 
  AND (
    token = 'FN2ZAk/3koCIX2QQpfGM5AIVm2DGNSSGlH5XScM+xPc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )