UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lkf+eNmVNUaqICQsV74tMbJVXNMIMV/M1pJng/dmC5g=' 
WHERE 
  key_id = 'b50df11b2eb2a24f89294448e7c14dbfad213dad93a0488d6fed311154828971' 
  AND (
    token = 'Lkf+eNmVNUaqICQsV74tMbJVXNMIMV/M1pJng/dmC5g=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )