UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xHzVfAS75tRcDDd8koZO0TtHbDjvzo8jhuS5+Daico8=' 
WHERE 
  key_id = '097e696875ece348eb5ca6b08f56e271e225e9b5bbe4b7dfb03edd6dee73c857' 
  AND (
    token = 'xHzVfAS75tRcDDd8koZO0TtHbDjvzo8jhuS5+Daico8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00036