UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y4+5WschipzxX38PrcDxrxRXZnTVxnP+Fm7qi2aYPEA=' 
WHERE 
  key_id = '53d9955461dc2838606ff87d55a952af6db34b05d94fd2f737d3a169c8f03844' 
  AND (
    token = 'y4+5WschipzxX38PrcDxrxRXZnTVxnP+Fm7qi2aYPEA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )