UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MqQWEzw36qy+8WQvUbiG++oqN15CQgScEi7b0QbGijo=' 
WHERE 
  key_id = 'd831757c4ab06cda6b4eb4842ae353a187c4bf2342348a2415241e2c2b82c838' 
  AND (
    token = 'MqQWEzw36qy+8WQvUbiG++oqN15CQgScEi7b0QbGijo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )