UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n39BhjKW8bhcrwQVBLs5+oC/syTp6AtAvpfqELJiLKU=' 
WHERE 
  key_id = '6649b16920c4176399564640ad7f706c94e5956f2ab4a5419efe65246f337c1f' 
  AND (
    token = 'n39BhjKW8bhcrwQVBLs5+oC/syTp6AtAvpfqELJiLKU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )