UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '81heeb15uapQSmwm1mDFvBxvd2pj15S7XR1YlTBZsYQ=' 
WHERE 
  key_id = '052eecc411e1d4607880d8c0705d2a7e612409e7fed00e1ef440f3c549d4576f' 
  AND (
    token = '81heeb15uapQSmwm1mDFvBxvd2pj15S7XR1YlTBZsYQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )