UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bSRJq/+hbNbOownls6wRwNZ3d/HT6I7nOtQJ9QJLiaE=' 
WHERE 
  key_id = '7ad51ad8f8805d4f767bdbe511423ab39d9e6fbfdc227f7a7731254b669a51f7' 
  AND (
    token = 'bSRJq/+hbNbOownls6wRwNZ3d/HT6I7nOtQJ9QJLiaE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029