UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6NbrqVJ0nI2XUf80aCrGzf3xtTNm27tXjv5aJEId5Es=' 
WHERE 
  key_id = '6d2b9fa03a3a7e14622ffeb1835727d618e3a38c9afe60c9225dbd48e77ac757' 
  AND (
    token = '6NbrqVJ0nI2XUf80aCrGzf3xtTNm27tXjv5aJEId5Es=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )