UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd7prl8tsi0T+Lc6KwSa7UzzfNhJSgrQtU77v5i5FxpA=' 
WHERE 
  key_id = 'ecb483305bfa66b260e7f19fcb529057153b2acf2b4fdeb096e401930d2bfc5c' 
  AND (
    token = 'd7prl8tsi0T+Lc6KwSa7UzzfNhJSgrQtU77v5i5FxpA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044