UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PCvnM6EfBdizLHL62lBH3JxjDjmSFEgtC4DYJjiHFUA=' 
WHERE 
  key_id = '4a9bbc166b77026ff2f03d3cbeac3cb6d1f83b9ab58c065c0a9d6089ac853e02' 
  AND (
    token = 'PCvnM6EfBdizLHL62lBH3JxjDjmSFEgtC4DYJjiHFUA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )