UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R4SbTNQi1izA9SqllwjP3WMpb5hrwh4ygVTiEW6G3Yo=' 
WHERE 
  key_id = '79acfa11a98c703f7826a5fedd666a2ee655e24f3e9d3447b18a1724f25f374b' 
  AND (
    token = 'R4SbTNQi1izA9SqllwjP3WMpb5hrwh4ygVTiEW6G3Yo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )