UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fr4wVt6ptVmOC4b5hRGNp3kdDEUwDOu+ZzXnu6udf/k=' 
WHERE 
  key_id = 'c68033e183d3f0f63ad7921b5229891f24bfec65e7757a2de546a5894ec21b1a' 
  AND (
    token = 'fr4wVt6ptVmOC4b5hRGNp3kdDEUwDOu+ZzXnu6udf/k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )