UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a1n9OMsKprEGOFX0Yx5g0Z7WgNth43eBN3md9IS8FCk=' 
WHERE 
  key_id = '7ce6f99b51b0248df38f23fbbd6f5f11a4e9d21ae03bc7fced7874e99e36a9cb' 
  AND (
    token = 'a1n9OMsKprEGOFX0Yx5g0Z7WgNth43eBN3md9IS8FCk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )