UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '27pRwK8B3gTJIIxMwwH4LpJjfurGjmdQLJHmsJFJvlk=' 
WHERE 
  key_id = '478758807e166d54e16f57fee421cb8bc092253e9aa31afe44fd7b526ba15333' 
  AND (
    token = '27pRwK8B3gTJIIxMwwH4LpJjfurGjmdQLJHmsJFJvlk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )