UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h8fzu/Nstf2/AUhfVqnzy7BOenD95NnVJaBA6JzRhN0=' 
WHERE 
  key_id = '49a0d377d794dbe2de3506670324015ae317bc7094fde3f16a6608d8aab10683' 
  AND (
    token = 'h8fzu/Nstf2/AUhfVqnzy7BOenD95NnVJaBA6JzRhN0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )