UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AXrN4z+nzzfNhYjaBoBW7hLffCKBPuXT3sAK6xMwsoY=' 
WHERE 
  key_id = 'e9681ec15ef91ca2750088174bb04ae4331bc4682323ee4a7472e41bdc31ede7' 
  AND (
    token = 'AXrN4z+nzzfNhYjaBoBW7hLffCKBPuXT3sAK6xMwsoY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )