UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51EqM4x8I4ZKRzm+DaX8kgR9TI+MSUzBSEbl8lzrbf0=' 
WHERE 
  key_id = '8d8bc56944b057119bf6940d7ea002a97227373c658754cae7bd88f82085dc47' 
  AND (
    token = '51EqM4x8I4ZKRzm+DaX8kgR9TI+MSUzBSEbl8lzrbf0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )