UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MJR557AqSI3yeNtSHMxmh1wsKjm9z2eiUeCGv2pk00Y=' 
WHERE 
  key_id = '4268c16b52d6820bbf7d182f2711120a8948d0ca05b80bf3f68378dd0f9be074' 
  AND (
    token = 'MJR557AqSI3yeNtSHMxmh1wsKjm9z2eiUeCGv2pk00Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )