UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PPMmlJE+Z4fJYQFgy/b9rRizSr1sHbRfCHQBU9AdETQ=' 
WHERE 
  key_id = '6e929a7f948b0adb8a9e339f196d68d7139a7e8bf29ffa0bc75557adcb196aad' 
  AND (
    token = 'PPMmlJE+Z4fJYQFgy/b9rRizSr1sHbRfCHQBU9AdETQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )