UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xNfMGoVjrz1nSmmFuDC/SCoi7yTGvkkBMDm8zyOk+GE=' 
WHERE 
  key_id = 'b1c9f2292d02fc8779e14d82ecb6969842d4462c5a74a792729d73922d9d8417' 
  AND (
    token = 'xNfMGoVjrz1nSmmFuDC/SCoi7yTGvkkBMDm8zyOk+GE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )