UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MeiO3T3yPHLfL5ZYmPuJa3yf3ggdsAz0eTPnXAbqsxM=' 
WHERE 
  key_id = '28f81d8e3ae39df40c0280d2eb7129ee066d6c0b2bd06b7478b114d4fe3ed587' 
  AND (
    token = 'MeiO3T3yPHLfL5ZYmPuJa3yf3ggdsAz0eTPnXAbqsxM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )