UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'A3titu+PysHHLJNcoiw8megYL+oMnYuF5EP8Om+DuEk=' 
WHERE 
  key_id = 'adb4a7d96be39495015f508ff45089163ca656b55d4fca93b7c0be5e79c20f2f' 
  AND (
    token = 'A3titu+PysHHLJNcoiw8megYL+oMnYuF5EP8Om+DuEk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022