UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f0guzv3kX8R/QFYELvMcFCsgkZ8iVWKaxfFfxfPCWVI=' 
WHERE 
  key_id = '6875875aeb906a08a422037821ed7858d2e5e47f5261a30535feaa0e89088749' 
  AND (
    token = 'f0guzv3kX8R/QFYELvMcFCsgkZ8iVWKaxfFfxfPCWVI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )