UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uaPz+oq6GiPoxP0EL+wwOUblVq/1xqe36IBBIsBn2Gw=' 
WHERE 
  key_id = '51da8a74fa7aca7c76ead65fb6cd3dc7d0d9ebbdbfadf57f97bd132d7b574642' 
  AND (
    token = 'uaPz+oq6GiPoxP0EL+wwOUblVq/1xqe36IBBIsBn2Gw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )