UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'THeQ0TLzUhttwiluAqIK36lGBOgtoCxhjYJ4iFMSNns=' 
WHERE 
  key_id = '1b4bf53e70bd37fe0239f76d14f4c3087f999ecb409bbb518a6631e6ed04eb41' 
  AND (
    token = 'THeQ0TLzUhttwiluAqIK36lGBOgtoCxhjYJ4iFMSNns=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )