UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R6FxfqNJvMIzkwf5qYUVWBF7vHrik4ZSTKgWvpaLK8Q=' 
WHERE 
  key_id = '6e4d1bc45c31e0aee9dd063b169f9396084967e2e4184e7d15ff11b01245835e' 
  AND (
    token = 'R6FxfqNJvMIzkwf5qYUVWBF7vHrik4ZSTKgWvpaLK8Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )