UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/c/ZM9+cGF8cFPWJcZ+cOp3U+ORZJ//puPOLADFXYfA=' 
WHERE 
  key_id = '8236c2ba47e21bb39e2531da09bfd28a11ff5a49004b454df76f793fe66c159c' 
  AND (
    token = '/c/ZM9+cGF8cFPWJcZ+cOp3U+ORZJ//puPOLADFXYfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )