UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iswgDh3MVwqDX5zmLmH/URPnxXM6loJKehYIEgwq3m8=' 
WHERE 
  key_id = 'da493db7f0949ca85a0845e60a901bdcf5a540c39c7e0fd72a1183ee2a3d14b5' 
  AND (
    token = 'iswgDh3MVwqDX5zmLmH/URPnxXM6loJKehYIEgwq3m8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032