UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'laUmYu9m2y1HwbQfayPAyIaVF4uC1XEXX+AeOI1FmYM=' 
WHERE 
  key_id = 'b5f503a279cc47d62e5796c7d4308be1f7695ac2231224f0eae01a95fd21e676' 
  AND (
    token = 'laUmYu9m2y1HwbQfayPAyIaVF4uC1XEXX+AeOI1FmYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )