UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yZE0oW5pI/zijeb1f2bqB8BfWpztVa8dqJbuO0vFqeQ=' 
WHERE 
  key_id = '4d6c84b90fe06737d41242beee8883ee90e50564a74a9690bb949dd50321476e' 
  AND (
    token = 'yZE0oW5pI/zijeb1f2bqB8BfWpztVa8dqJbuO0vFqeQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )