UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e4zrLV00vX7H15nxERKaY8wop75NvgN5/PZb/XdEQXo=' 
WHERE 
  key_id = '3957f2575fede0f8184a73a5b0fa800f89e3282ea0be30d11dbd167f701f4fb9' 
  AND (
    token = 'e4zrLV00vX7H15nxERKaY8wop75NvgN5/PZb/XdEQXo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )