UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UzVfMOb/q58fsqOnDW5uX7IQCbqOIuILE8IIedPPuak=' 
WHERE 
  key_id = '4d1911971c139c36b7cd26e9a9a79a0c5460863f8dc6159b8a1db99fe6f58a99' 
  AND (
    token = 'UzVfMOb/q58fsqOnDW5uX7IQCbqOIuILE8IIedPPuak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )