UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QqmIQHDHyZIcj2KKGda0sFJnKTbyTXIpzXRAfCr3RYs=' 
WHERE 
  key_id = '346f5f424c5be273eb453f0e9ec98725ef78c0072dcabd0efca966a7e4ba8960' 
  AND (
    token = 'QqmIQHDHyZIcj2KKGda0sFJnKTbyTXIpzXRAfCr3RYs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031