UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QEYrT6Ns9OXZa3ztuFSI3Pb/bvK8ZbOolVbLs548NK0=' 
WHERE 
  key_id = '197b0ea5c98844d0c80a7e52447a6794e2540fbec626fe50473c2ee127813207' 
  AND (
    token = 'QEYrT6Ns9OXZa3ztuFSI3Pb/bvK8ZbOolVbLs548NK0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )