UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R8PlQHWrB+fknWAlqbl53CLRtS6igLfvwf936ipgY60=' 
WHERE 
  key_id = 'a23616739e5b9ace3e464c5d0a873ebbcb6f5f16cb6a578e92782ea06c6c7dde' 
  AND (
    token = 'R8PlQHWrB+fknWAlqbl53CLRtS6igLfvwf936ipgY60=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )