UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6emWu2zyEh76aoVRx2Q09yMPYnefmisAapBS8BcD3Xg=' 
WHERE 
  key_id = '85bf6d89cff96b8b310d03a86ad5e7264f537110c5273456b7253da7572086a5' 
  AND (
    token = '6emWu2zyEh76aoVRx2Q09yMPYnefmisAapBS8BcD3Xg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )