UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VwsnBCty3nlsf3jIaRd+EIDkjhX8pjxk5mOmxP45mw8=' 
WHERE 
  key_id = '423e851ddd0aee43ed0e825c3411788f667462fc7cc9a636659392ff092e8ab8' 
  AND (
    token = 'VwsnBCty3nlsf3jIaRd+EIDkjhX8pjxk5mOmxP45mw8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )