UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRkA/wfDTQDcjhIrN/Ffx6/+1JEjL+a5pYkJfviSyhs=' 
WHERE 
  key_id = '52c8f6f9c09929084a28e314cb3687425431b910270ebb2aca9cd3170812540a' 
  AND (
    token = 'MRkA/wfDTQDcjhIrN/Ffx6/+1JEjL+a5pYkJfviSyhs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )