UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A/sbnpqsEUWPtsZnIUulauDOeBOQAU0T77dM+6rA4k8=' 
WHERE 
  key_id = '7a49b1c2ba2c2a8d15f8c67e7193cf7ee14b7733cbea886d023c962d58f1fb43' 
  AND (
    token = 'A/sbnpqsEUWPtsZnIUulauDOeBOQAU0T77dM+6rA4k8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )