UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UvihN6ebDWb2q5HgcuRo4u4ifd0ARlTpQQasjdl/Mik=' 
WHERE 
  key_id = '83b43aa91a1e2870a7357b47b64d3e64e70ffebf0053efc511f3e6ee2dfde9a8' 
  AND (
    token = 'UvihN6ebDWb2q5HgcuRo4u4ifd0ARlTpQQasjdl/Mik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )