UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uZ8r41fvWugckWm4dpXt2LNvUjmdGg4x3gHGvj7qOPI=' 
WHERE 
  key_id = '73269c176ad55f13c064562a234e5c4ef7547f82a9f636fe9e62158689c4138f' 
  AND (
    token = 'uZ8r41fvWugckWm4dpXt2LNvUjmdGg4x3gHGvj7qOPI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )