UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bmm8tsRghN8Uhdm7eKpoK8FJIxp0wGyTuWiVmAf+/Us=' 
WHERE 
  key_id = '1993911d0c42d52680fa109368d4ac7dfc3ca503fa97f259d1f2bb5b398a758c' 
  AND (
    token = 'Bmm8tsRghN8Uhdm7eKpoK8FJIxp0wGyTuWiVmAf+/Us=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )