UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MIk3alg87TxadoDTasiZkOMP35EuWZJrjRstAy+CaLg=' 
WHERE 
  key_id = '767e9fcf271b570bb8d977910964a66ae69b5ec5fb18c22a0ff97c02a17678fb' 
  AND (
    token = 'MIk3alg87TxadoDTasiZkOMP35EuWZJrjRstAy+CaLg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )