UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xkvwu33gT8tD32xBQONyqdPXourPFvhtMJitvRe32oM=' 
WHERE 
  key_id = '4f76fa83eb7694b10543a8a2b5f306d2c67dfb2b3fc7c93832309ceb2a3fb15a' 
  AND (
    token = 'xkvwu33gT8tD32xBQONyqdPXourPFvhtMJitvRe32oM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )