UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lHeO6/BM0Z+CHXRfE+bn6J2xYvvn8bezia/J6fGnHT4=' 
WHERE 
  key_id = '8b099e38ec637fa0b155e90fb5a7a3e8f38064257ca0b41c46fe19a25a20a616' 
  AND (
    token = 'lHeO6/BM0Z+CHXRfE+bn6J2xYvvn8bezia/J6fGnHT4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041