UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZkWuDu0OYUfHWw9SrMZkqBA+fMKA3mxu2KpZ62yDETo=' 
WHERE 
  key_id = '6235ce3eb0a38d24faf301552d811634e6c9a8aa354db6fcbc6f29c8d1c05945' 
  AND (
    token = 'ZkWuDu0OYUfHWw9SrMZkqBA+fMKA3mxu2KpZ62yDETo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )