UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SzVDYJuU6g55MXnS9KixPwBwFAPT08w4PFVmrBMY+SA=' 
WHERE 
  key_id = '2088b66dd32ef676f14ea73a0ee6022f580f29197ed2078f70685fc4b7792ca0' 
  AND (
    token = 'SzVDYJuU6g55MXnS9KixPwBwFAPT08w4PFVmrBMY+SA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00055