UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gnhtCdvvvl9lsWeVsE7W49qktMDhNBUNtd6GcTvD+vE=' 
WHERE 
  key_id = 'efbc4232fc96d47369f669e765f7e5618c2adec438f122a4436e0d494deed7f3' 
  AND (
    token = 'gnhtCdvvvl9lsWeVsE7W49qktMDhNBUNtd6GcTvD+vE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )