UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PYkhdoIC7rfp24TJrQRGuc8po17UxtFNDAkZxCWLTNQ=' 
WHERE 
  key_id = '7f178722b79027b4b52436973c83fd507d5e55d242bff2d149bef6818b77e249' 
  AND (
    token = 'PYkhdoIC7rfp24TJrQRGuc8po17UxtFNDAkZxCWLTNQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )