UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+Jg/9VkjurwJuspOFJWMiPB4JdBAEBxHi2tskYlZ4f0=' 
WHERE 
  key_id = '3f68d50b8cb5178252829d2e42778d29612b9c218f4dcb3611a5782308b69367' 
  AND (
    token = '+Jg/9VkjurwJuspOFJWMiPB4JdBAEBxHi2tskYlZ4f0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )