UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u7Agx2TMky5wsQbqRLTPkMjkBZiwiKuweJtsV0jCffg=' 
WHERE 
  key_id = '8e0c5e76ff9015b65d6cb184340369e0cc550fd88a1f5f4645efeb8dc2a1c869' 
  AND (
    token = 'u7Agx2TMky5wsQbqRLTPkMjkBZiwiKuweJtsV0jCffg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )