UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dw2fAJhdvnhhEtncqb90oG1rNAUiaZfmsb2ODVhUtuY=' 
WHERE 
  key_id = '4ca0e71b2dedd7e09d0584ead3042218d1a5988eee71675513c1818034bb949b' 
  AND (
    token = 'Dw2fAJhdvnhhEtncqb90oG1rNAUiaZfmsb2ODVhUtuY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )