UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UVTe2xfBap3xXUKNutr5O/Sbxj07MH/RJn3ShAKXqUU=' 
WHERE 
  key_id = '51df7e10e67bf5719944a23c424f307474c8ba7625de38f01b40ecc8a7a5ab45' 
  AND (
    token = 'UVTe2xfBap3xXUKNutr5O/Sbxj07MH/RJn3ShAKXqUU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )