UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lu/WfA9wPxG96gE5XkoGFn3yNGlajYR97ZSjcki3SJg=' 
WHERE 
  key_id = 'd89a53d8a824fa51f9b0171c3f646d98789b7ba18375e8711c5a6db9370a6109' 
  AND (
    token = 'lu/WfA9wPxG96gE5XkoGFn3yNGlajYR97ZSjcki3SJg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00041