UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MC7aFncmTo0mRY060fVIjcoSWMI2hcXBpfjqhWhSSIQ=' 
WHERE 
  key_id = '6962bde03421e2bd222f9231c898c3caae9f77a50d354500b94f99601a1844bb' 
  AND (
    token = 'MC7aFncmTo0mRY060fVIjcoSWMI2hcXBpfjqhWhSSIQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )