UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7TTTe9HLI95rgSjFRxBAqkahvO04doqni3mNq5HIcIM=' 
WHERE 
  key_id = 'eec4d6da7ed2fa6e37f92b5ba8b176010d8c92a4e3cbfa8084ab4359850de804' 
  AND (
    token = '7TTTe9HLI95rgSjFRxBAqkahvO04doqni3mNq5HIcIM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032