UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QPrClD9eJGZsO2Y6r2zAdjwvO8e836s332/HmGNqEDY=' 
WHERE 
  key_id = 'b6e215d68b0d99524ba9d5950c2f6582eee99d40858cb803874d582ae430ca81' 
  AND (
    token = 'QPrClD9eJGZsO2Y6r2zAdjwvO8e836s332/HmGNqEDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )