UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ekSM8ldyMiosVQR3THnSbC174tVI5UXw04UIXa3iZrw=' 
WHERE 
  key_id = '6ec636cd97186ee6b76f3c1363a10583646c2d478f543038d7dc9c62314b2f0c' 
  AND (
    token = 'ekSM8ldyMiosVQR3THnSbC174tVI5UXw04UIXa3iZrw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )