UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'h09bCA72gUbD2kmPJBOwaoscU7sAejKaj8HvzodAHGg=' 
WHERE 
  key_id = '747e0b7cec54450039fdfd7930d4870df75d4b5a4f3eaacec0d51f77c9c9d442' 
  AND (
    token = 'h09bCA72gUbD2kmPJBOwaoscU7sAejKaj8HvzodAHGg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00056