UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9xgeuAsFI78ZoOdOlI4J0xo6KgfrtKLohJW7I6ap2RI=' 
WHERE 
  key_id = '3a9052b0e7dc47899e99e3f111b3b133f02f684cee7008dd6071e81e42525535' 
  AND (
    token = '9xgeuAsFI78ZoOdOlI4J0xo6KgfrtKLohJW7I6ap2RI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )