UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b6aX4M1PdwCDT7VAb1S28xDo0U4m+p7nZL+oFc4A7Q0=' 
WHERE 
  key_id = '395c27714a9fef15dc14e9ae439e922cbc95f4be4e2ea7f0fc0f94f619c13878' 
  AND (
    token = 'b6aX4M1PdwCDT7VAb1S28xDo0U4m+p7nZL+oFc4A7Q0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )