UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EvwK3KHWlqm63K7ZnFDGfFGP1luAag4+pLe3ilN/wUE=' 
WHERE 
  key_id = '4d51e2b82cbd2634b490f3afce1dcf241f4edc29c500adcb6bc9dbff97836dff' 
  AND (
    token = 'EvwK3KHWlqm63K7ZnFDGfFGP1luAag4+pLe3ilN/wUE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )