UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mt6huZsAb2CszOzjEIPaZoGuwvsLrz3rIWAa6fXjElc=' 
WHERE 
  key_id = '812b6f66412f343962fbbc06e7cc9207e0db42b607e8647f7a05a2075a85de33' 
  AND (
    token = 'Mt6huZsAb2CszOzjEIPaZoGuwvsLrz3rIWAa6fXjElc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )