UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '42wxACAzpWgjssVDNqJx0nvyZj9/0BNMOIqSzUHYcuQ=' 
WHERE 
  key_id = '8ec0aa2b6af0b4caa4b121509331f0364cf5b4c70d90975701865348336923ca' 
  AND (
    token = '42wxACAzpWgjssVDNqJx0nvyZj9/0BNMOIqSzUHYcuQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )