UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'btJVnN2F4dG8svfg+iGQuvwOLU5Oyg7laO6cFxSKxZc=' 
WHERE 
  key_id = '1ffd752190d88c1e71353ea1f8de4c9ceeb8227007ac7237ed19c18dc6d8f4a9' 
  AND (
    token = 'btJVnN2F4dG8svfg+iGQuvwOLU5Oyg7laO6cFxSKxZc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )