UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iRmQ1U3XDT0tt73MWD6J4JakPLgVrBs8ydUZ5a5qXBs=' 
WHERE 
  key_id = 'fa1347d6051145d7f6a5b7f38d78ecf646f899387919d6a65949def08e056b58' 
  AND (
    token = 'iRmQ1U3XDT0tt73MWD6J4JakPLgVrBs8ydUZ5a5qXBs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033