UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vpd37lY/kJ9kKOcJ7xxn2iJx3ZgcGuK7756vws+5Efc=' 
WHERE 
  key_id = '9e7553e73dbe4ec62296db4b45bda884f19342ab65918ea2466a844f16c295b2' 
  AND (
    token = 'Vpd37lY/kJ9kKOcJ7xxn2iJx3ZgcGuK7756vws+5Efc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )