UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CNpc5tMO/qYPTY36aL/DHoO+hUUT+fO0GsvZu22k7JU=' 
WHERE 
  key_id = '5dfb192d32f84f59ba1f3070359966e82ac524a46719a6748df0c5896021a8db' 
  AND (
    token = 'CNpc5tMO/qYPTY36aL/DHoO+hUUT+fO0GsvZu22k7JU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )