UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MDyBy0wbwSVIZ1AavCfIYGt/Rm0puEA4h3J2IViKjwE=' 
WHERE 
  key_id = '936beea35e432790fb3ff851303fa05b1c701eb0c4f5a90986cef25caf4b0f1d' 
  AND (
    token = 'MDyBy0wbwSVIZ1AavCfIYGt/Rm0puEA4h3J2IViKjwE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )