UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/WuGi5lMuH50QbR13toPMHwtmw9VxL/zPiWMqlQXW64=' 
WHERE 
  key_id = '615f93b4af0e025e8aa61833926b3a5f61765628482cd1a69e4f5781d6d86195' 
  AND (
    token = '/WuGi5lMuH50QbR13toPMHwtmw9VxL/zPiWMqlQXW64=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )