UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mE0BaU3Z+iPr3qoUfScGBufcRTrzblmX5/eG4s9k8PI=' 
WHERE 
  key_id = '300fb0be4fc2f5e12f4df62a6737cec6e1e050675e58a37162160370bbab115b' 
  AND (
    token = 'mE0BaU3Z+iPr3qoUfScGBufcRTrzblmX5/eG4s9k8PI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )