UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MycOmdOcJRgiAp3mwDVvi5Mv3DOZfddXf4cP+gMSniM=' 
WHERE 
  key_id = '93c43fce952781f1963f38ecfeb9a40eb9e731dea4bb78558f674c8fe2e47631' 
  AND (
    token = 'MycOmdOcJRgiAp3mwDVvi5Mv3DOZfddXf4cP+gMSniM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )