UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MXCE3YXugyVL+gmxOI47uCxBT6/tQuOrLGJAo7xGAnw=' 
WHERE 
  key_id = '9decd63848e1b6f5a611d9d62064e89d7fb39e7d011a7492b927c826e47408cd' 
  AND (
    token = 'MXCE3YXugyVL+gmxOI47uCxBT6/tQuOrLGJAo7xGAnw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026