UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MOy5PZP0cuBYOPSgv9VCgQJLJOnDC5AThrE3i8HpzIY=' 
WHERE 
  key_id = '21ddf6e9318767c68531ca2c6683c28826e16e5af217be6e7c3792b9c0a7cbd8' 
  AND (
    token = 'MOy5PZP0cuBYOPSgv9VCgQJLJOnDC5AThrE3i8HpzIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )