UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mQex4nU2YgZfoWs6jRaHO8hHonxZgY4Q+VlJMKKshMA=' 
WHERE 
  key_id = '9cc211ab8df61b65108377c1ffb70068295b11ace1e2a94a8dbaa56f0aa7e91d' 
  AND (
    token = 'mQex4nU2YgZfoWs6jRaHO8hHonxZgY4Q+VlJMKKshMA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030