UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Uz1EmEsgBCOZ11qMHU1StCqjUkmNrdovfv0sOgKgATw=' 
WHERE 
  key_id = '840b8ee7b00a65c58543f96218c2c6bd4a57f74152cbbb25992a9a80c78afa07' 
  AND (
    token = 'Uz1EmEsgBCOZ11qMHU1StCqjUkmNrdovfv0sOgKgATw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )