UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LCVQKUqyyDu476TG0ty1tyJVzEVc9afmeChZxRhNaDc=' 
WHERE 
  key_id = '93658db2e77a745bd9a01cad8bf57e3be49011a586a0b539b7cd33ffe1e59ff6' 
  AND (
    token = 'LCVQKUqyyDu476TG0ty1tyJVzEVc9afmeChZxRhNaDc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )