UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '108+VSxnTgcHgkOmYSkWvRhCR/1jgJ9WdmzocqToR0k=' 
WHERE 
  key_id = '2d0c00d2d5a48d410a9f8556e4a2b81e9a1ea2951bbdef6d5c03332db514e424' 
  AND (
    token = '108+VSxnTgcHgkOmYSkWvRhCR/1jgJ9WdmzocqToR0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )