UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XStyFUD7YCd4/OdXXjNpD6NAvW58XiI8HX6OsQuYk8c=' 
WHERE 
  key_id = '50ea8a121d48c83753646161ea1873e9a2698c6c765f2d64d0831a616660e291' 
  AND (
    token = 'XStyFUD7YCd4/OdXXjNpD6NAvW58XiI8HX6OsQuYk8c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )