UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/34+KP1rZGyn9gQnpr29wnXGqZuOfq+ZkfkpKGSSWrg=' 
WHERE 
  key_id = '139d466fb2b4c12596181dfe5d6b931fcf5d4e9d801824d8d3c80d5d37dd64b8' 
  AND (
    token = '/34+KP1rZGyn9gQnpr29wnXGqZuOfq+ZkfkpKGSSWrg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )