UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FdPYKr99tpLCRppwmKjPbVlt1dLejy3QmSFjM/IFV0Y=' 
WHERE 
  key_id = '0a3efee5e88f4b2b8e25e6e89336777e81528036f7a68c66ca50c8bf33e807ab' 
  AND (
    token = 'FdPYKr99tpLCRppwmKjPbVlt1dLejy3QmSFjM/IFV0Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031