UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'prf7jWn7edAO11056jcBSW+yEnK0fUF54bfubNr/edc=' 
WHERE 
  key_id = 'b4711b1c19690d610f74a9877b19f09721bfa126462b4ce6527f7c16aecb2e2b' 
  AND (
    token = 'prf7jWn7edAO11056jcBSW+yEnK0fUF54bfubNr/edc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )