UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JCZr2HWMd0Ifo282LQu+ahD8tD+0RW8ATKFQ6WrS3i4=' 
WHERE 
  key_id = 'c8ef2b8a722a48f2ce18c0812699f28407bb3744f3b23eeeb599de0193047c43' 
  AND (
    token = 'JCZr2HWMd0Ifo282LQu+ahD8tD+0RW8ATKFQ6WrS3i4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )