UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bZLgFJdqAXgYIAqHHIsyRx3o1w00r1KWLuSDQl8Py/Y=' 
WHERE 
  key_id = '94cf0b4c1723cdd5cf6c6a170367d4ef246ed388a5faaa535c3297475556ef1d' 
  AND (
    token = 'bZLgFJdqAXgYIAqHHIsyRx3o1w00r1KWLuSDQl8Py/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )