UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Em6wbbjbHnsx11qkhrBlCJY1XERByCX3yQvS7RoC+DI=' 
WHERE 
  key_id = '0a31b9df89ad053b598efd204b528fc5b4dec96e5fc889c782e62b362505963d' 
  AND (
    token = 'Em6wbbjbHnsx11qkhrBlCJY1XERByCX3yQvS7RoC+DI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )