UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RDSW35WgfilYMg8rhuuXfJg/zap+FzhGevQZzdGLjos=' 
WHERE 
  key_id = '2dc13f2ca186e62a769713dd4444edf68a3e92991b3e0f338f4c59ef2b57da06' 
  AND (
    token = 'RDSW35WgfilYMg8rhuuXfJg/zap+FzhGevQZzdGLjos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )