UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mzexEmO2mB2pfqWGTiobkTiIm3YbdBLcvdU3XaRzZ38=' 
WHERE 
  key_id = '52b80a2ac0cd2924bbf868da37edf9143f6493d2ca8ae0a1c8444bf6daf4fc1a' 
  AND (
    token = 'mzexEmO2mB2pfqWGTiobkTiIm3YbdBLcvdU3XaRzZ38=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )