UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nlWc/az5qyT+bj1htkX3l9WOhaYI7wtNspf8BOqCG1w=' 
WHERE 
  key_id = '9791e75c3ea6bb3bb06c25c1bb12794bfa8bb71457763172ad4861c4f18c79ca' 
  AND (
    token = 'nlWc/az5qyT+bj1htkX3l9WOhaYI7wtNspf8BOqCG1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )