UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'hgFTvEQpHYEkTPMPP24loLIWOqHd00hbJfBwHt35d5w=' 
WHERE 
  key_id = '51d1471278ac82635ad18bd875ac06406dc01e59d1cfb5d390abfa3040ba97cf' 
  AND (
    token = 'hgFTvEQpHYEkTPMPP24loLIWOqHd00hbJfBwHt35d5w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )