UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RQbtBuVGntGLcIXp3D/dLw26AbycmWM/pSxbw3PJBAE=' 
WHERE 
  key_id = '4f8f82200ea75c8b58757706f2626040d4a798b0e1db2450d56df37767842e99' 
  AND (
    token = 'RQbtBuVGntGLcIXp3D/dLw26AbycmWM/pSxbw3PJBAE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )