UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PVDKcB4c473Su5Hw05SSn6ZLsi0B6GXzsvgbS90E3lc=' 
WHERE 
  key_id = 'a281103a379d21b42c9733a37ebb53d3ed54eaf718cf6afe4569ea3639d2ba6f' 
  AND (
    token = 'PVDKcB4c473Su5Hw05SSn6ZLsi0B6GXzsvgbS90E3lc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )