UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yt0uBQynmX6EQ6dBPYMgVh5X0Qf8BiHKwqec+kAXRJQ=' 
WHERE 
  key_id = '39bcc9249b58cd0785e2d41e184dc13c088aa8235262a86c0bcd1d09da614bc3' 
  AND (
    token = 'yt0uBQynmX6EQ6dBPYMgVh5X0Qf8BiHKwqec+kAXRJQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )