UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCS69Ko8GBcOdNIaSiTzhpFpmRS7QMDq3y0uvUG77GE=' 
WHERE 
  key_id = '6796be04e33c6b98dc2006b5350539fc78a51443f3ddff582f3d33ed37cbf565' 
  AND (
    token = 'PCS69Ko8GBcOdNIaSiTzhpFpmRS7QMDq3y0uvUG77GE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )