UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9u5MLba/A7EMt5xxssNXWjt4meWmXRRmJeXxfi4VBeI=' 
WHERE 
  key_id = '756b2c4eeaa5c567cf359d486d29319f29072fdd84044b135fe521541fd21a2e' 
  AND (
    token = '9u5MLba/A7EMt5xxssNXWjt4meWmXRRmJeXxfi4VBeI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )