UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nb5zTONA0cDTF1xErQrem0w4AxSu+9V1NDWFZVUIPLw=' 
WHERE 
  key_id = '8b6693a991d8eb1d1de60da3a2e774d517b34039676735236645e50a569b0189' 
  AND (
    token = 'Nb5zTONA0cDTF1xErQrem0w4AxSu+9V1NDWFZVUIPLw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )