UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UnOvla3zJB3LWp2uUzJfuy0m9nj+X8lzaECpyysVyY0=' 
WHERE 
  key_id = '7bc73e4a5905f3e646ae1610bf9b55355ac61bd98b8a79b541787da884213215' 
  AND (
    token = 'UnOvla3zJB3LWp2uUzJfuy0m9nj+X8lzaECpyysVyY0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )