UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pSmeemHzEkK5y0khBWLC7xThoNOEfOm92is5dwFfbBU=' 
WHERE 
  key_id = '93d51f17233b4153fb7d52cf3e4eefe317453689abb751abf929ca6278dabdb5' 
  AND (
    token = 'pSmeemHzEkK5y0khBWLC7xThoNOEfOm92is5dwFfbBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )