UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RlHWCYtIjUsmvDpU4RtxlM02rRnVw9BeMTCij52PvhU=' 
WHERE 
  key_id = 'e6b1fb745690c9e781fbb187bdf8eb336a828859d17833f7a1719af97eb5616e' 
  AND (
    token = 'RlHWCYtIjUsmvDpU4RtxlM02rRnVw9BeMTCij52PvhU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )