UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yU4GTNNObAeOVMGPF3vYyvFX0Y6XT0ToCRohIACG1Uw=' 
WHERE 
  key_id = 'a2e446d36791f77cbabbeffe50c1f856a36db53e35ca527af64213a15e7603a9' 
  AND (
    token = 'yU4GTNNObAeOVMGPF3vYyvFX0Y6XT0ToCRohIACG1Uw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )