UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RkxgzWqDQ3HVLJAunlPqUyw716yogY9OschbUmEOXIs=' 
WHERE 
  key_id = '18143861375cbec0f608c96e252b646cb861a933274ab47000ca2d37de6e40e7' 
  AND (
    token = 'RkxgzWqDQ3HVLJAunlPqUyw716yogY9OschbUmEOXIs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )