UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5AFvoYWPVL+VccvBnHDW3xx8ieIxdi74niKEKgf2CDI=' 
WHERE 
  key_id = '717e8671b64c0b8d72e6df39e4f105c542d9f57aabde28a24c722f5a96a19648' 
  AND (
    token = '5AFvoYWPVL+VccvBnHDW3xx8ieIxdi74niKEKgf2CDI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )