UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'saN5NuBA/7mqynZyn27NjgsY7iTBH4QJwMq8PhJLlWk=' 
WHERE 
  key_id = '6948bd74f69dbc7b792a0a919d21aae8db19e9fc9655846de0574f04045eb282' 
  AND (
    token = 'saN5NuBA/7mqynZyn27NjgsY7iTBH4QJwMq8PhJLlWk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )