UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 300, 
  token = 'Av8AMuJqppIil2F5Uq00micDv24U5Xu3iwQ93KTWELY=' 
WHERE 
  key_id = 'fd699b9df2e16e0d2c4ab102931e9fe8a0fba488950d109270f2503f260b11f9' 
  AND (
    token = 'Av8AMuJqppIil2F5Uq00micDv24U5Xu3iwQ93KTWELY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )