UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TNmTAt3PJZqkB5ez1ddm59/XS9f4IIT980OILS6pTwQ=' 
WHERE 
  key_id = '3c68d02dbc0c939f5bc2e5d9ac02ad0ecd0358fff2ed51d61636031433e78468' 
  AND (
    token = 'TNmTAt3PJZqkB5ez1ddm59/XS9f4IIT980OILS6pTwQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )