UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yrT12bX1kjoUNJH42EpkivVpFaSKJgeH25jvdVWXu2Q=' 
WHERE 
  key_id = '51f8cbab841068b6440cb8c5316ae2b365ca18d4cb1775c68df63eb604a765b7' 
  AND (
    token = 'yrT12bX1kjoUNJH42EpkivVpFaSKJgeH25jvdVWXu2Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )