UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U42fdRCybKqFm7Lv+AZPqYW40dDCTR7yROtuPcd0l/U=' 
WHERE 
  key_id = '1641c81fb604eeed325e5e05169a27484e518e47b0e4575d5a20d1648908d8c5' 
  AND (
    token = 'U42fdRCybKqFm7Lv+AZPqYW40dDCTR7yROtuPcd0l/U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )