UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wADRNg7DtKvm8gHB4RYHKwowJl7aad5Yh6Jct0PTDSQ=' 
WHERE 
  key_id = 'd7d588226855e6a634973398688e0d56e3349e6284e986c5655bddb8ce1d6838' 
  AND (
    token = 'wADRNg7DtKvm8gHB4RYHKwowJl7aad5Yh6Jct0PTDSQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00023