UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q6ErZXbGbECOU3RxQ+jxzZnB9pltJLfbAdPaRhIef50=' 
WHERE 
  key_id = '908833fcc4af6fdb8446431e5ec122802076dc7798bd80c270da19ce203ecb26' 
  AND (
    token = 'q6ErZXbGbECOU3RxQ+jxzZnB9pltJLfbAdPaRhIef50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )