UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mdPUKyNsw5EaaEAvEeZOyO9NtvsVhcWgoJWiR54ioFo=' 
WHERE 
  key_id = '8d18a1a8ace26e2f7a9bec90bcf1e6f76c8250ea3691aed740072ebdfc5e7b2d' 
  AND (
    token = 'mdPUKyNsw5EaaEAvEeZOyO9NtvsVhcWgoJWiR54ioFo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )