UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JVDvxOXZkhVw5zq55nSP3eCnaqvXFDo9W+UDqJsmKz0=' 
WHERE 
  key_id = 'a71590e37099af50ef092c515788da696adc2588849356537da1b4fd6fc9ba15' 
  AND (
    token = 'JVDvxOXZkhVw5zq55nSP3eCnaqvXFDo9W+UDqJsmKz0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )