UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n9X8tkHNZRar9xbjoolMSfJRZ9yjjGOEnEWFp5I78LM=' 
WHERE 
  key_id = '4b21f402ef9c4aa6a4a0c0c1374569c562b011cf3595c8a53998ae0c793ff9b6' 
  AND (
    token = 'n9X8tkHNZRar9xbjoolMSfJRZ9yjjGOEnEWFp5I78LM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )