UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4wMe8v2RCw0lbJv7gWEOjjtd4sp754jeiVZyyCzi1EA=' 
WHERE 
  key_id = '99702ddabcf4cc780fdfdbaa1b911f34c1fa72733250ed090f527691883c2a8d' 
  AND (
    token = '4wMe8v2RCw0lbJv7gWEOjjtd4sp754jeiVZyyCzi1EA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )