UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'u46USKur73VMOKLoKsjzUzh2eH01OXJwQprVzHwcOIA=' 
WHERE 
  key_id = '27875d5fd2246af59b48b3838415ad6b09830cd480a230ddc84229916789c0d8' 
  AND (
    token = 'u46USKur73VMOKLoKsjzUzh2eH01OXJwQprVzHwcOIA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )