UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g20tp3raQVx91HfhksdVZW9Uk8jMLtkjgI8IobIa1SQ=' 
WHERE 
  key_id = '8c9ac3d8505725181954ec40233783e4be578067d3edb8a7eca589ebdfdac1ae' 
  AND (
    token = 'g20tp3raQVx91HfhksdVZW9Uk8jMLtkjgI8IobIa1SQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )