UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'W20Ogwa3PEWNZ0/ZrIAjZPn5i4VV+6x8Axq0eyL79FU=' 
WHERE 
  key_id = 'eb1b4cd4b04400083197de6509e28fdf7af7330ab2efec114b9d541e62945f92' 
  AND (
    token = 'W20Ogwa3PEWNZ0/ZrIAjZPn5i4VV+6x8Axq0eyL79FU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )