UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZsJSxohBzX0G71Hwchjs9o6RXFAivyElPO4F2PasgKU=' 
WHERE 
  key_id = 'a5475e870b19134a2251c298311b77920bdb83ee9a9e9633c906525f00ed4279' 
  AND (
    token = 'ZsJSxohBzX0G71Hwchjs9o6RXFAivyElPO4F2PasgKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )