UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4Nwk3Ru68psNzys5xVbTDTeoSWEL4GjoltkRvMWTalE=' 
WHERE 
  key_id = '43d0c9292f05a36d8bf5ec388ab3856188eaec9e82f8dc0f7fbbffcc5da2f4f0' 
  AND (
    token = '4Nwk3Ru68psNzys5xVbTDTeoSWEL4GjoltkRvMWTalE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )