UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MGI9AFeMX5y4azR7nmDP4+tqpbnowCYQcpHF4QHMAzM=' 
WHERE 
  key_id = 'a1e9247ad909ee519a2349f30767ef3765ae656f0c18661144c22d7e62139099' 
  AND (
    token = 'MGI9AFeMX5y4azR7nmDP4+tqpbnowCYQcpHF4QHMAzM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )