UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MiOHUzDzRfJPujgbC0UAxpaZnMB0SuBVDqICwsnpa/U=' 
WHERE 
  key_id = '928857e35325217047dcd0a0378a28c8bcb47261b1f70773e435957f90e5a830' 
  AND (
    token = 'MiOHUzDzRfJPujgbC0UAxpaZnMB0SuBVDqICwsnpa/U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )