UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A8ZU35+a+t9/4OSfiCUT1fGF0yjfUhXrit9oIxvXzSI=' 
WHERE 
  key_id = '50bf5ae2e9231c02d2fc261fb5a2d9afd38c13f70924ec4c9c1fa061239f1349' 
  AND (
    token = 'A8ZU35+a+t9/4OSfiCUT1fGF0yjfUhXrit9oIxvXzSI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )