UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nQBwWgOnD96wyWW9vnYSkK8wj5cw+5//IXxnqo4A7tw=' 
WHERE 
  key_id = '83d0b77260d7d76935aafea44c1b9882b4634f347d21c1a1a28717677e700636' 
  AND (
    token = 'nQBwWgOnD96wyWW9vnYSkK8wj5cw+5//IXxnqo4A7tw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )