UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gtQrEpQHkNifQgLUXTMzclPepTCkJhiVpqZRBMx1lmE=' 
WHERE 
  key_id = '3e5caca975bd8138f5ef193568fe26e8be8fb79320386efa04545759b284bd90' 
  AND (
    token = 'gtQrEpQHkNifQgLUXTMzclPepTCkJhiVpqZRBMx1lmE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )