UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r8GWQ08CEw5FMl1WER6LpaY6te1sUF4zviq4AUZx2yk=' 
WHERE 
  key_id = '790856fd2d41018260c4995faff23ae34b4c1ec747355bdfd8ac82e6591a70f9' 
  AND (
    token = 'r8GWQ08CEw5FMl1WER6LpaY6te1sUF4zviq4AUZx2yk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )