UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pMcygn+bNS6HlW+WLwCI8Sj6QPd4x9iU2q+2uRMEMME=' 
WHERE 
  key_id = 'c0517c69fa90fea22ab0fcb561ba7c258a991a28296d554d7188bc95c6d66316' 
  AND (
    token = 'pMcygn+bNS6HlW+WLwCI8Sj6QPd4x9iU2q+2uRMEMME=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031