UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cardHQk0sYaq9VHYV92U2XmR3qsbS9dro6HIwUB/deI=' 
WHERE 
  key_id = '35bb83ad78df996e6607f3d5fc0c2cc2a468479447b5b106a0355e54e50d558c' 
  AND (
    token = 'cardHQk0sYaq9VHYV92U2XmR3qsbS9dro6HIwUB/deI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )