UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fYVcd6chmeU5jdw8JqjnaDK4kf9o523RmkuULQJVWjs=' 
WHERE 
  key_id = 'a27340f1a94796c8a1c17fe9b22e04197d151c3c93893d5390a5791e868f7313' 
  AND (
    token = 'fYVcd6chmeU5jdw8JqjnaDK4kf9o523RmkuULQJVWjs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )