UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qYhQc/tBTDn6sxbgpZOVssfFhLyGA0OiaRIPbkayvFY=' 
WHERE 
  key_id = '851e90345badd07045c7893983eb80687a48e35004b69c03f41349b249cda288' 
  AND (
    token = 'qYhQc/tBTDn6sxbgpZOVssfFhLyGA0OiaRIPbkayvFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )