UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6erP4n+Gcjl04+YpGJlHKj8vNi94V/MZ1//lXiCdTOk=' 
WHERE 
  key_id = '75ee99b024fc5ff8770d41978799ffda7951078ad139f5ba4cb0bb4ffd1451cc' 
  AND (
    token = '6erP4n+Gcjl04+YpGJlHKj8vNi94V/MZ1//lXiCdTOk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )