UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LtpffvXEgXBjkeyw3lb6XXmKU3F+ot3aW1nSN63BCds=' 
WHERE 
  key_id = '83361a8799c8bfbeffcb51bc8356cd601e5dd612433116a89d05d307b4dd7a39' 
  AND (
    token = 'LtpffvXEgXBjkeyw3lb6XXmKU3F+ot3aW1nSN63BCds=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )