UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VTaW9YCpcEByfYdR1G4GsM3SWH1mUp2015mEjflmI5M=' 
WHERE 
  key_id = '5108d733e0c31134ad96939dc005464e58377d86ed28a65f33a69bab72efdf4e' 
  AND (
    token = 'VTaW9YCpcEByfYdR1G4GsM3SWH1mUp2015mEjflmI5M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )