UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RWdBQEhDq37aFnggDj1apjvzDxNFMTRIwI5jarERNkQ=' 
WHERE 
  key_id = 'dc5a41eacb9e22f5f6845da46b266c3c973befa3b905f117e799a4aead37d591' 
  AND (
    token = 'RWdBQEhDq37aFnggDj1apjvzDxNFMTRIwI5jarERNkQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )