UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ExEgq7hDAdcZY6ZMfYmbfMVPfJLuu8lurlSD3ma6z/w=' 
WHERE 
  key_id = '989538f3eed9983a84eaaa705b030683a203df8b410f20e0de5e92c4d85a771f' 
  AND (
    token = 'ExEgq7hDAdcZY6ZMfYmbfMVPfJLuu8lurlSD3ma6z/w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )