UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HzjBUWwOQyOwiP6iWPK7ZjFYZrsrYmEqD6UsyY1WP54=' 
WHERE 
  key_id = '436aac43d75b9fbf498ebe45e4778f01615e7b7d92304dff17ff5d7782c7923a' 
  AND (
    token = 'HzjBUWwOQyOwiP6iWPK7ZjFYZrsrYmEqD6UsyY1WP54=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )