UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'md4wtT6juVSiVAh4tJqKAI2bDMFwXSH8QEkpFVOSkGA=' 
WHERE 
  key_id = '3f5069818aa85054078b7a7b7baa20339a56815099f05741b5a604e49a9e05b3' 
  AND (
    token = 'md4wtT6juVSiVAh4tJqKAI2bDMFwXSH8QEkpFVOSkGA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )