UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'j/49i5dFhEL3gtTSz9uPUvZC43WVzdSjk9dIqqaOSF0=' 
WHERE 
  key_id = '518cf00c8032a60b850f1681f3987e212158556f609eeab3628369255b2c2e69' 
  AND (
    token = 'j/49i5dFhEL3gtTSz9uPUvZC43WVzdSjk9dIqqaOSF0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )