UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MBepEccPu+rhySy2b4vjzdar0M/ZCjupeYCGQAByLyE=' 
WHERE 
  key_id = 'c7cd3265f264c2190bdd106faa6faaecb78d29cc4cfffb595759ce779a9c5443' 
  AND (
    token = 'MBepEccPu+rhySy2b4vjzdar0M/ZCjupeYCGQAByLyE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )