UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zSiq36MAqYRjWGqeR48BVu1Dy13N1NPRNuL2ukS1q38=' 
WHERE 
  key_id = '777dc3b34910c5496bc202c8227836f5c71e8df29ccc7cad3c6cfe3622578770' 
  AND (
    token = 'zSiq36MAqYRjWGqeR48BVu1Dy13N1NPRNuL2ukS1q38=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )