UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZRLliCR6ePXE07q3ED83Yo8Eb7CsMHPPg6t029HSkh0=' 
WHERE 
  key_id = '21043b6afc9e26adc1804533d52640e493cd083e8b6fee24107a84c92e6b9b65' 
  AND (
    token = 'ZRLliCR6ePXE07q3ED83Yo8Eb7CsMHPPg6t029HSkh0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )