UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u3QCGVleke+MT6XwEo+zwvQkBO3NGZW57UDBMS/pRFU=' 
WHERE 
  key_id = 'e705e66966d3a781a8a4c65c0be3315e3bd282445b2d3a434dfb551da77aa810' 
  AND (
    token = 'u3QCGVleke+MT6XwEo+zwvQkBO3NGZW57UDBMS/pRFU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032