UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QRUFtFDx6tsdrUC8BEXhh0/ac7eyX2zxJWeOAHO+5tE=' 
WHERE 
  key_id = '97451538bde8d33d6fca466b49043620502428c3ca52cce710158f08bb3c1272' 
  AND (
    token = 'QRUFtFDx6tsdrUC8BEXhh0/ac7eyX2zxJWeOAHO+5tE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044