UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K5v1/KYfE6sDQmKy63sKevuA0DkwsRK29tTwMa1cyY8=' 
WHERE 
  key_id = '5951f3cb23507d302bef4b0f948e296563413dfad98b7c955e63c7d648997c5e' 
  AND (
    token = 'K5v1/KYfE6sDQmKy63sKevuA0DkwsRK29tTwMa1cyY8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )