UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '23kdCTjOOCAPxdfqy6eAABJFmgSnbzUhHu/ScZbX9IM=' 
WHERE 
  key_id = 'ab3914edd17a264e097138e970bce3aa7b8d521184354f50a8ebdee7a218d305' 
  AND (
    token = '23kdCTjOOCAPxdfqy6eAABJFmgSnbzUhHu/ScZbX9IM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )