UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '13mBHSZ3gMkVunw8ORXMj5cNLhfwgzl9nxKsAAQvvgA=' 
WHERE 
  key_id = '782ee44b33ba332c5e73d0bca6d33dc8966a674269e2da99cc0c2ab4a0782d13' 
  AND (
    token = '13mBHSZ3gMkVunw8ORXMj5cNLhfwgzl9nxKsAAQvvgA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029