UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zhaqzK/V7Z4ZVe/QqSNMk6ZwEgXS+YfZG1Afac+xT04=' 
WHERE 
  key_id = 'e81c82716215e3946c084ebf7eb0436b8b82a8b222071e8b58318a0e78742aae' 
  AND (
    token = 'zhaqzK/V7Z4ZVe/QqSNMk6ZwEgXS+YfZG1Afac+xT04=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )