UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Gtx/8bdxFjburfn656N4byzba14h5xj7b0AgAkocu4A=' 
WHERE 
  key_id = '5c18e8f980983be28b460640c8dede6d02c2bc1652d12cd3613f99c3d0ad82a4' 
  AND (
    token = 'Gtx/8bdxFjburfn656N4byzba14h5xj7b0AgAkocu4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )