UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KcsEdZqtxy6a5cmu0zr/mJrIMe9mzFxGbmRPRkaTJNI=' 
WHERE 
  key_id = 'eff4b6fc135fdc4efb1aafaacfac19a2a005090d3f6f722ad3dd3c3d53d51790' 
  AND (
    token = 'KcsEdZqtxy6a5cmu0zr/mJrIMe9mzFxGbmRPRkaTJNI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )