UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '929+6IFp2nxhn+lHeOX4KOh7lsHtl8IcLUqT6zOSyhk=' 
WHERE 
  key_id = '949a73e13718e0b9284e725f750b1db4577bd6aa9c8e79e0377576647d3979a3' 
  AND (
    token = '929+6IFp2nxhn+lHeOX4KOh7lsHtl8IcLUqT6zOSyhk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )