UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LpaFy0wf2+9rwcFFCN9YrZKQxomdmI2GsFOCWU6S3LI=' 
WHERE 
  key_id = 'a62fb9e02d77923fc2182064d590de0de854f2cbc60df66fcc66f0112189345b' 
  AND (
    token = 'LpaFy0wf2+9rwcFFCN9YrZKQxomdmI2GsFOCWU6S3LI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )