UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aVxnpruLEJ3ffexLgIAd5tCpfyNu2EqI4+vojaEqwbo=' 
WHERE 
  key_id = '1c8c802e1d3b0d8b8887ea468796f94856971222711b1cd31db04724faaa9597' 
  AND (
    token = 'aVxnpruLEJ3ffexLgIAd5tCpfyNu2EqI4+vojaEqwbo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )