UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zl9asscOBMhCBd594J8/Ar7nhNDGm3rJjQFoQGs6FpE=' 
WHERE 
  key_id = 'a6e85b4b0f41c3d94b2d7c3cdd6a8aafc88ed364b345ef0719deb8cf23d5e374' 
  AND (
    token = 'Zl9asscOBMhCBd594J8/Ar7nhNDGm3rJjQFoQGs6FpE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )