UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OMkW0dGfpc2EOM6NDhLL2vR27WpM7wp4R23pyRiMGDk=' 
WHERE 
  key_id = '4918e3ca311de0df066b35b43f4b8eef1c8102a58909e6ec35e07d298704846f' 
  AND (
    token = 'OMkW0dGfpc2EOM6NDhLL2vR27WpM7wp4R23pyRiMGDk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )