UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r68w2wdLUDMZ3vwym7pvFrdUSgYo9I1ni6b8iStWm9w=' 
WHERE 
  key_id = 'baf018b76d09c1eb177cde0a24bf2280f045ada8116727d2f568dfcdffe01048' 
  AND (
    token = 'r68w2wdLUDMZ3vwym7pvFrdUSgYo9I1ni6b8iStWm9w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )