UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KRs7xqN6C3AgSIWcFb8B7AR4Mol3QVSYYptbmgC2spY=' 
WHERE 
  key_id = '8a56674828c7a8482023de80a8d5287693fd9ff69770504cc021a985059e3471' 
  AND (
    token = 'KRs7xqN6C3AgSIWcFb8B7AR4Mol3QVSYYptbmgC2spY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )