UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4k4hrT+RY5+EWPBUybvOvqkBzAHfRanWqxW5saO4VJE=' 
WHERE 
  key_id = 'a46b0f2c21be5c18d302a0b6869f441480433f6f86309059c61436a304584c69' 
  AND (
    token = '4k4hrT+RY5+EWPBUybvOvqkBzAHfRanWqxW5saO4VJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )