UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6R98aOthfVmwj0k+9Ywwo/FIAvoVqWFY0IfqPz9tgHk=' 
WHERE 
  key_id = '271790fbc15fbcaaeb0da2fa41340ea6d4df944cccec31ccc69f018b9f024929' 
  AND (
    token = '6R98aOthfVmwj0k+9Ywwo/FIAvoVqWFY0IfqPz9tgHk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )