UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'jpguGaBEoxelXz5iZn87Zyh21BBMV3l3l2TZekWIYGk=' 
WHERE 
  key_id = '312deeae5b9d9fcb044a25164e53fec5049a1b070d3c4f080eb6acea02b83b26' 
  AND (
    token = 'jpguGaBEoxelXz5iZn87Zyh21BBMV3l3l2TZekWIYGk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )