UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PBtrRS2rdEErx0tdX2CAg0VFF0HM3LmxXoFaYzP4LVk=' 
WHERE 
  key_id = '1e19ccd8780033c285fd1303d301e3a31785893cee010afd6be6f56871832941' 
  AND (
    token = 'PBtrRS2rdEErx0tdX2CAg0VFF0HM3LmxXoFaYzP4LVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )