UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rk/CgnZF/8e0ruRplOv2ePW4S1FpfIh4yeme69S6umg=' 
WHERE 
  key_id = '5981c1945ee52121b7ca7afce1a1e57b0bf7cdbe54943797996f71c9579179a4' 
  AND (
    token = 'rk/CgnZF/8e0ruRplOv2ePW4S1FpfIh4yeme69S6umg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )