UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PwFzCIaMWk7hG5WlF6HnKkhbagXtdIaPtTaPZpMpgCg=' 
WHERE 
  key_id = '83c45da42dba1655cf131994fdfc867efa186f99b881208fb9eb067caafe6d59' 
  AND (
    token = 'PwFzCIaMWk7hG5WlF6HnKkhbagXtdIaPtTaPZpMpgCg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )