UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3XRPCSxhWq4e8gJ2dGJ5fXWlrC1BgumqOePk2tmWeYA=' 
WHERE 
  key_id = '256ddda1a60e027df713fde252fa40114dd0a6cd2546171308331666b9938a45' 
  AND (
    token = '3XRPCSxhWq4e8gJ2dGJ5fXWlrC1BgumqOePk2tmWeYA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )