UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U94DjFj2yYs9GwrGBsiWbNrVtudA8KqIH+f3yCApIS0=' 
WHERE 
  key_id = 'ff9d0bf72335fb4aba00622961da8ee53a0725883b0efd741ae389b739f72b82' 
  AND (
    token = 'U94DjFj2yYs9GwrGBsiWbNrVtudA8KqIH+f3yCApIS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )