UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ewl8aPFQIP6kEd0OZtjWP3mKinERmqzkaahielkCAKw=' 
WHERE 
  key_id = '21a8bab82b6cd6afcfe0172e617cf6f222222444a388045ed7fb765d978e4648' 
  AND (
    token = 'ewl8aPFQIP6kEd0OZtjWP3mKinERmqzkaahielkCAKw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )