UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nb4wsn1FijbexFYzSarijKW+1BL6ZAP4GnTYi5PmKoo=' 
WHERE 
  key_id = '68de7e4cac2775d9706347fc39a553eff5a69a63e172085caae413c5b1ff2b4c' 
  AND (
    token = 'nb4wsn1FijbexFYzSarijKW+1BL6ZAP4GnTYi5PmKoo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )