UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GDI3bglZC0eejZTN3RGadYEmjivzIM8xSYhCrGEi0uo=' 
WHERE 
  key_id = '3555ac1efd7c85f6e72d337a793e60cafb2663276144cde422e31aa5f03b4d42' 
  AND (
    token = 'GDI3bglZC0eejZTN3RGadYEmjivzIM8xSYhCrGEi0uo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026