UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6L46KXoo+Do3ANJ4Zc2YQJSkgLYXco8puggyHe04qQ0=' 
WHERE 
  key_id = 'b29a1eb8347dc17fb34fd766d11d94a789d1053139d521da6f1fa2a51daa356f' 
  AND (
    token = '6L46KXoo+Do3ANJ4Zc2YQJSkgLYXco8puggyHe04qQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )