UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V7Oj6fTlIYMpUFna3xN/JgqumYyPhrcPqDk6taeLt+4=' 
WHERE 
  key_id = '1b21488aa969a52e82edc59b8f4147584b204e5c35847dcbabc795691b48b867' 
  AND (
    token = 'V7Oj6fTlIYMpUFna3xN/JgqumYyPhrcPqDk6taeLt+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )