UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5eFLj2Xyf0bu+Qzi98LCDynsi8kHxvncveh/91VjBOo=' 
WHERE 
  key_id = '8b7c676407105d61813c5bdbded7a0590ab33531b6adc20c67815744fbad3864' 
  AND (
    token = '5eFLj2Xyf0bu+Qzi98LCDynsi8kHxvncveh/91VjBOo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )