UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PC1Rca+YGxkktYSXq8McSWPEv4miaEEnRn6vblmhSJE=' 
WHERE 
  key_id = '93e1d09b8acc38abff9d13925c5ac81526d9aabf0a7f277ff0e3c461c8f8e39f' 
  AND (
    token = 'PC1Rca+YGxkktYSXq8McSWPEv4miaEEnRn6vblmhSJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )