UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AE9VoXjOwH4Je17MPD7FGW9eXXIwmuc0WieIJJGdcLQ=' 
WHERE 
  key_id = 'a51f9b670298b2a9081e8c95eebed165552c35f322ddba323043fb66c6d8d3e4' 
  AND (
    token = 'AE9VoXjOwH4Je17MPD7FGW9eXXIwmuc0WieIJJGdcLQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )