UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cQ79Uozg59/CDpSVYd0TECBOgc7IOXLmDVToUlmYcvc=' 
WHERE 
  key_id = '68892fe1272a7ffece6219b8381ce8c3e2f92aa6fd07efd856bbf738e6a593b6' 
  AND (
    token = 'cQ79Uozg59/CDpSVYd0TECBOgc7IOXLmDVToUlmYcvc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )