UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zDHx+6O1aLhB5eXijcHVylsmvYz7IlRWytsFQ8P9RNE=' 
WHERE 
  key_id = '8ba51cc42a8f91934cb9783f12e592d46ee14dee4702d6738f98e7e093beac48' 
  AND (
    token = 'zDHx+6O1aLhB5eXijcHVylsmvYz7IlRWytsFQ8P9RNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )