UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pwV0GcEH7ktES4afzEjRizKxg3j3oH68NPzgVYZMSqw=' 
WHERE 
  key_id = '21e80fc2c6b4dcf279cee97767feef0ff3ff098905bfe9526ee1d5ed23976d48' 
  AND (
    token = 'pwV0GcEH7ktES4afzEjRizKxg3j3oH68NPzgVYZMSqw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )