UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WersKz18CweEf7jVT7Ws5jcaxJYGeiffmxDZ4YmhOqM=' 
WHERE 
  key_id = '936e82d94981be9988d9052ff0643629e693940ab39b5fe2d6acfeac3b06d136' 
  AND (
    token = 'WersKz18CweEf7jVT7Ws5jcaxJYGeiffmxDZ4YmhOqM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )