UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b8q8EHGbXsDqs9rdGPG0GD92yBTlFahnnarzDhgS0pw=' 
WHERE 
  key_id = '917e89372c4a0bfe1748e41afe925407bd597ee9c4dc070c80173df794ff49f5' 
  AND (
    token = 'b8q8EHGbXsDqs9rdGPG0GD92yBTlFahnnarzDhgS0pw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )