UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QSVp5pwB5hK2hARP6w8djLXg4W6vWBIPbFPPrROWUtA=' 
WHERE 
  key_id = '47742723aaa19517b6c9790ee14d20afbffacbb9921f66d1681406730d4d5eae' 
  AND (
    token = 'QSVp5pwB5hK2hARP6w8djLXg4W6vWBIPbFPPrROWUtA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )