UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+z8a2GN5mW2vhw8GBHSxNVHf46qzpKiUdhLjJB96KfA=' 
WHERE 
  key_id = '6ef4cef39f68d477107147ebf413ee9ec7f2f217a0a707760390475db0a6508c' 
  AND (
    token = '+z8a2GN5mW2vhw8GBHSxNVHf46qzpKiUdhLjJB96KfA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )