UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MBtfNLIwAc1pcK3HtrUaCpTLLOS2prh8sVfTiGLnyo8=' 
WHERE 
  key_id = 'c918d41138ad19942b4d3e4c22da921f043f49b70d5171055bd9c5d63f684af4' 
  AND (
    token = 'MBtfNLIwAc1pcK3HtrUaCpTLLOS2prh8sVfTiGLnyo8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )