UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0QX8EbbZ8AY5QXDG6XDV702pO+nGPoGEXfrV50xfqN8=' 
WHERE 
  key_id = 'f17a5c944fcbe97050b624d32a174832f2c04e71c2b9a806a6de7e91f4f5d8e9' 
  AND (
    token = '0QX8EbbZ8AY5QXDG6XDV702pO+nGPoGEXfrV50xfqN8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022