UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRlOLahFWSubfNoGvDz7NppqmYq3XVGLG4my66WNqhA=' 
WHERE 
  key_id = '644797c96a1a41a12b8967107b7af526dcc3156fe738607c6697bfbf95535ad5' 
  AND (
    token = 'MRlOLahFWSubfNoGvDz7NppqmYq3XVGLG4my66WNqhA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )