UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r/g/diU8E3ebkq57rQHFo0Zb2K4T9Im4qW23kht0rFU=' 
WHERE 
  key_id = 'b7935619dba37c6d700800cb5b0754ce3c5061935c156a6196efed4153f47455' 
  AND (
    token = 'r/g/diU8E3ebkq57rQHFo0Zb2K4T9Im4qW23kht0rFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )