UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v5rzlAdUCZ82CFbZlbAClsYHYlCrIhDkuY4B+t25gRg=' 
WHERE 
  key_id = '6fc1e8c6e3667b323cb3e5dc116db71730503f94c80fca5ca9458380a02df4c1' 
  AND (
    token = 'v5rzlAdUCZ82CFbZlbAClsYHYlCrIhDkuY4B+t25gRg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )