UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6X36ABeZXlTVqJkdZq6btDNIamKLm1yncOfjd0jOMnE=' 
WHERE 
  key_id = '379b59451ee836c21c0f08a788ebfd5fadc61feeb84d25216a28534205bd6b2f' 
  AND (
    token = '6X36ABeZXlTVqJkdZq6btDNIamKLm1yncOfjd0jOMnE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )