UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+xHfRNBFMbj5reS6wYmN7DB9nWM3K65Ml+fxF5uwlt8=' 
WHERE 
  key_id = '35920ad6b14bd5f746c30bae61387886b3df55578891c04c4a451b39c50fac22' 
  AND (
    token = '+xHfRNBFMbj5reS6wYmN7DB9nWM3K65Ml+fxF5uwlt8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031