UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'er7Gs/UsLGePnP23inSjPtd6e/g7kth9SYCuuF7GMWw=' 
WHERE 
  key_id = '30c99f42af2fa4d3ef20d12967ed27f1bba8a4fa95e4aabe83c8a6d60b97f831' 
  AND (
    token = 'er7Gs/UsLGePnP23inSjPtd6e/g7kth9SYCuuF7GMWw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )