UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Srb1iel47WqFHwyu5ajI0+x+z9sP7xON+1IglQZNhXc=' 
WHERE 
  key_id = '26c9d4ed818b1d9144b10dc45e4263952b29fd7910898ce2d380d80301b727c0' 
  AND (
    token = 'Srb1iel47WqFHwyu5ajI0+x+z9sP7xON+1IglQZNhXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )