UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6PJWRQBhitj5PPOCnDC6JcIhHaKsaVyhvRWsz4A/d2E=' 
WHERE 
  key_id = 'a1d95040a819f60f4f604ccd0db0d87f98305b0776ec45c4aa8594dd0b0a9271' 
  AND (
    token = '6PJWRQBhitj5PPOCnDC6JcIhHaKsaVyhvRWsz4A/d2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )