UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hqB7bmqbfUC+qqPkKW5JD56De4AEKW0yZTNrjG4yF+s=' 
WHERE 
  key_id = 'fd895e35d1df804009fb35df3250d86f92928bd43d22711c1a1b74ee67830464' 
  AND (
    token = 'hqB7bmqbfUC+qqPkKW5JD56De4AEKW0yZTNrjG4yF+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )