UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rCff1o/icEpBrb5RjOjxpXcmsj7DpDaEmw8y8zTTEXw=' 
WHERE 
  key_id = 'b50491d996d0ed12d7b64a6e27f9b7e47e518d7f324c1631c439f7c0119a989b' 
  AND (
    token = 'rCff1o/icEpBrb5RjOjxpXcmsj7DpDaEmw8y8zTTEXw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )