UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NkqGxGTEzQUVdXlzcSxlWjHBV8wQjtvyhThScUwNiRA=' 
WHERE 
  key_id = 'a6decd6d9b3697241ce95b2de927e28ed759e277f57964810aa69b82ac525eae' 
  AND (
    token = 'NkqGxGTEzQUVdXlzcSxlWjHBV8wQjtvyhThScUwNiRA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )