UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'agii9x+elcwVkTHqO/NPaqM5/Lv3wplTT2xa3Tpr8Hs=' 
WHERE 
  key_id = '578797354b7b8f7dcb200ae8b84c282703a8f30b39869afaa2324ac3c4f58406' 
  AND (
    token = 'agii9x+elcwVkTHqO/NPaqM5/Lv3wplTT2xa3Tpr8Hs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044