UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nZB3YwyRa8upQNmKmz2K9GOPUWS4jZaOT4vstOcT704=' 
WHERE 
  key_id = '71dc691e9bec731132b348e146ed7aacea0b676bda3a50ee1022abac56c11c70' 
  AND (
    token = 'nZB3YwyRa8upQNmKmz2K9GOPUWS4jZaOT4vstOcT704=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )