UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UKV6Xo80xOUmsN5WRJaVqKbqYkmLxanjRQmuG8aGq8k=' 
WHERE 
  key_id = '640fe2305473d98a649f474d759f9a798c0d14c7550e41acdf7a2403385bad77' 
  AND (
    token = 'UKV6Xo80xOUmsN5WRJaVqKbqYkmLxanjRQmuG8aGq8k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )