UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ECl8/xjyvBtlbaZuAw6nnUX/Aa9uodmDJcCRCJi/24M=' 
WHERE 
  key_id = '49b72799b9c4d4ec9fc797f62b9f875519179be459177c6e242fb6a5cbaeebe9' 
  AND (
    token = 'ECl8/xjyvBtlbaZuAw6nnUX/Aa9uodmDJcCRCJi/24M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037