UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vDUJGmkgvvUcqscsJaqBioRxaOTe05ckZhWH4X7V7RY=' 
WHERE 
  key_id = '281bde24fa5d256515c29f53eef03e41ebd84df1a6ca2e1685c456d55cb03e3b' 
  AND (
    token = 'vDUJGmkgvvUcqscsJaqBioRxaOTe05ckZhWH4X7V7RY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )