UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fSqoqKJDPPOFGZJoNgZUN8XbvMifYK4aXjvbg51l/K0=' 
WHERE 
  key_id = 'a0e74a20fbb43c2d14e65393b19194df91612aeb6c4aa7cb6823a77a05a84be3' 
  AND (
    token = 'fSqoqKJDPPOFGZJoNgZUN8XbvMifYK4aXjvbg51l/K0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00028