UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6VPp9qIh1ixTDu1v5Kw37PWdVAita5ObK1JOxGYkbKs=' 
WHERE 
  key_id = '0bcb3c81c18246d1266dc0e67968db0ae007287991b4b35de10e8874fe9bd442' 
  AND (
    token = '6VPp9qIh1ixTDu1v5Kw37PWdVAita5ObK1JOxGYkbKs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )