UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CWjnPJJuI4d2PZHssvUpdYAfnyLw1yjs6YWxJ/Rck8c=' 
WHERE 
  key_id = '305f759ec0960035523bbde0b921f6767f836ade8a92f06df00984ad034fd76d' 
  AND (
    token = 'CWjnPJJuI4d2PZHssvUpdYAfnyLw1yjs6YWxJ/Rck8c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )