UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aD+2hVpcKiz7Fmo17oTHDNDWLUIse4+6VXreorPoFTA=' 
WHERE 
  key_id = '55a7738c2b0f9c430f6a236913aaa20e2cb8971e906333480d5035532f339398' 
  AND (
    token = 'aD+2hVpcKiz7Fmo17oTHDNDWLUIse4+6VXreorPoFTA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )