UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r6tfQTADV4i/7HebgkdctQkg2A60kQ+juxtqRiSNN3Q=' 
WHERE 
  key_id = '768bbf8b079668581e562d2d53b68c90c612cdadc1aa50a6d5629c23dd502d07' 
  AND (
    token = 'r6tfQTADV4i/7HebgkdctQkg2A60kQ+juxtqRiSNN3Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )