UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EBjKiwHkwuJyOxycxNu7Gi8bBoHDrtse8euXLWT+EcM=' 
WHERE 
  key_id = '6418bf645577537d07ee836cc8984e04f7a7d018780065f1f326a3faf8139553' 
  AND (
    token = 'EBjKiwHkwuJyOxycxNu7Gi8bBoHDrtse8euXLWT+EcM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )