UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'US+YYWsUqdO1u0O1o8MLXwxN+S0uQyuuGTkyarwJjUU=' 
WHERE 
  key_id = '11f17ac3b97b5e99843f08ca76af5d29668395c568caad5114da2dcebb7be8cd' 
  AND (
    token = 'US+YYWsUqdO1u0O1o8MLXwxN+S0uQyuuGTkyarwJjUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036