UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VunzgbdsR6MmyUvQFLbX9K+8GfvlP+B15m0oC3hgV0w=' 
WHERE 
  key_id = '50f18109e34ab3a40ba1e7259a95266c5a5b431e823682774afb6db4475fc398' 
  AND (
    token = 'VunzgbdsR6MmyUvQFLbX9K+8GfvlP+B15m0oC3hgV0w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )