UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zLXNzUBSZr0eEu3lIUN7QLrYMvzqXAWziQeWvOXOBhY=' 
WHERE 
  key_id = '3e9093ecae7ad628a9e61080c122416377ab6da161f099db31676583e01afff1' 
  AND (
    token = 'zLXNzUBSZr0eEu3lIUN7QLrYMvzqXAWziQeWvOXOBhY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )