UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8Yf/Rw+iQ4tUruyCQNZiTDCY8bmymmPxRrYso8KMkOg=' 
WHERE 
  key_id = '7b0285ce9dd0d8e7d51fe80de644c4f83fecd1e5af7f545a121c3f4c638eddcd' 
  AND (
    token = '8Yf/Rw+iQ4tUruyCQNZiTDCY8bmymmPxRrYso8KMkOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00082