UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RcxIcOL4voTEDhXtq5ym1H4xlc/lBLx1GSwrOlwdOqY=' 
WHERE 
  key_id = 'b993201e88e0523ecea60c9a0b77a7752d6b759c6c3d96d58a7e738c602f6dad' 
  AND (
    token = 'RcxIcOL4voTEDhXtq5ym1H4xlc/lBLx1GSwrOlwdOqY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )