UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wxr75ybhmlno90KwrWSRT5PCRUTe9hVxiZ7gb9rhGJY=' 
WHERE 
  key_id = '49983146a3408b96d68b7b1db6375c409a151e0fc83b4d14c5e359394e44cc30' 
  AND (
    token = 'wxr75ybhmlno90KwrWSRT5PCRUTe9hVxiZ7gb9rhGJY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )