UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R15ZtoVR66IAxgVv+8zjbvQQSPC3ywPWiM5UV8DPMME=' 
WHERE 
  key_id = '6191f42761803beda1c6dd28cf978bbb0d7263b37e4377823cb216dab16e77b6' 
  AND (
    token = 'R15ZtoVR66IAxgVv+8zjbvQQSPC3ywPWiM5UV8DPMME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )