UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n9BJS/VJco/MRwPq+tlo1oRiQQ2mDbr36DwUVqlsubE=' 
WHERE 
  key_id = 'c6b2ba54786c8268d1a5d62361c5f8d0d67f367051d5fe3bd954eba6a551d603' 
  AND (
    token = 'n9BJS/VJco/MRwPq+tlo1oRiQQ2mDbr36DwUVqlsubE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )