UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MaZhM6TrgAzB19lY+JyLMiGvpcLgGQWAJcEWb3w9kig=' 
WHERE 
  key_id = '8b021cfec2420efaa2ace619e1d0b50c3ab78365d2dd337506dbc7b101bd9197' 
  AND (
    token = 'MaZhM6TrgAzB19lY+JyLMiGvpcLgGQWAJcEWb3w9kig=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )