UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bx5D9u9JLhhlsGC2PCgK956OTcDZCZyu04/Kk96c+Fc=' 
WHERE 
  key_id = 'c4e8e40b61ca61bea2073128f273dd7e365f46db9715438654edc1c45e0c79e2' 
  AND (
    token = 'Bx5D9u9JLhhlsGC2PCgK956OTcDZCZyu04/Kk96c+Fc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )