UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't6RJR+EyJVMEPS1Ncm79FVUrKdUm5tkc+2tgv8hAPro=' 
WHERE 
  key_id = '538ec44fffdf510648fe7a67ea563cf3bdf5ce4fddb1125f444fd1a9c07095df' 
  AND (
    token = 't6RJR+EyJVMEPS1Ncm79FVUrKdUm5tkc+2tgv8hAPro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )