UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OlPSAxxsrUPM9P6gzVbrgrJPwG+sGEppIcEUCMqFN+I=' 
WHERE 
  key_id = 'c97a2595761ec99542d65ca10ca9ee01f0ff04a06e21958f8682e1820e9ed830' 
  AND (
    token = 'OlPSAxxsrUPM9P6gzVbrgrJPwG+sGEppIcEUCMqFN+I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )