UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Kzk1KRyZH4zTXW21MhI7z7RWdc7AiG7CdcAn+EcOmxc=' 
WHERE 
  key_id = '42b69e32f0c45a52caa01b247d39c68d94c365760549598d6143415c1235d4c5' 
  AND (
    token = 'Kzk1KRyZH4zTXW21MhI7z7RWdc7AiG7CdcAn+EcOmxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )