UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WdCul8v9I7afmfS6CjjcgZWSjvzEXd4uo9JFREUX9gs=' 
WHERE 
  key_id = '587c6aa78a4ab8912ce5f1dea2e24331b09595a12b3baf78ef5c7bb31eaa881f' 
  AND (
    token = 'WdCul8v9I7afmfS6CjjcgZWSjvzEXd4uo9JFREUX9gs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )