UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zK4jSnmK6NlOVi+RiBXmbWI+MMwoyirsnGkuiVr1O50=' 
WHERE 
  key_id = '0831585d32c222952866b857ecbcf76c04c7ed8779a9dc4459df7677635a990e' 
  AND (
    token = 'zK4jSnmK6NlOVi+RiBXmbWI+MMwoyirsnGkuiVr1O50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )