UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XllIKTPvA+KEXt1BL+nGz5z4KK6NeVExT1EHUTgmjjM=' 
WHERE 
  key_id = '79370d3f3e3418c1adb78c778550e5c75df827999c65c5c5c06a25b5266a59b4' 
  AND (
    token = 'XllIKTPvA+KEXt1BL+nGz5z4KK6NeVExT1EHUTgmjjM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )