UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iFKARLVc5txXt3jGKznWvOY9/rn9s9g2Bbwl6MmURQE=' 
WHERE 
  key_id = 'f7a1ba216f923bb5dcb224314cc9593ae5d79001590f996e92adde3fedcb3bc4' 
  AND (
    token = 'iFKARLVc5txXt3jGKznWvOY9/rn9s9g2Bbwl6MmURQE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033