UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wrDHApEmIV99sPlQtRU6/tGbyTvr7nByz7TS31zl3kw=' 
WHERE 
  key_id = '5843b553e11cedbdf0b60c1aa3a6c5a552bc151560f56a56d3fd4492eb01df80' 
  AND (
    token = 'wrDHApEmIV99sPlQtRU6/tGbyTvr7nByz7TS31zl3kw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00043