UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '40ZSLpuSJfVnfA69079hBVWiGkfan+mzYN/YGfLRDCQ=' 
WHERE 
  key_id = '81849f0cfd3f96add7df39283d36e8ec036ac1c7be29a2231f529e729b37fc60' 
  AND (
    token = '40ZSLpuSJfVnfA69079hBVWiGkfan+mzYN/YGfLRDCQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )