UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b/PJFTL2+EbD4sNQt0ejiGycuozYfzhyUjazKeJkALg=' 
WHERE 
  key_id = '4df010cd2402d4cec33a679ab37821254a60f161eee1bf18952ba82e4dabd4bc' 
  AND (
    token = 'b/PJFTL2+EbD4sNQt0ejiGycuozYfzhyUjazKeJkALg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )