UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3g/AC5A62vagUCe7WTgv0riO11uMC8pmMRUr5kykDVI=' 
WHERE 
  key_id = '34a5eb0b483e5361dc64c0ae0d2ed629341633977dfa4e47e8df8d6959427e17' 
  AND (
    token = '3g/AC5A62vagUCe7WTgv0riO11uMC8pmMRUr5kykDVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )