UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G8tYOezOmLi0FzeaA/I9smr7zAefDyI4TvGu9TX9l9w=' 
WHERE 
  key_id = '49ff12df551a6fe31581c58b810a8e9add3090cc90222c4acce1ac4934c9aa2b' 
  AND (
    token = 'G8tYOezOmLi0FzeaA/I9smr7zAefDyI4TvGu9TX9l9w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )