UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DmHKRhgg7nKHM7yVJvV1NPzsJGlBvVxjehUipTYrIvI=' 
WHERE 
  key_id = 'f6fd8fe055050768ad3d3784635c345c502cb36614d3886306ef36561082b59f' 
  AND (
    token = 'DmHKRhgg7nKHM7yVJvV1NPzsJGlBvVxjehUipTYrIvI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )