UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cu6KiMXy8hPFtVXvVGQgEcjZux1wVY+FV3lJJSAL/XI=' 
WHERE 
  key_id = '45eea604bece32c3b4ab183335e5867efdc238f5d7bbf96553f726dfc76eddf0' 
  AND (
    token = 'cu6KiMXy8hPFtVXvVGQgEcjZux1wVY+FV3lJJSAL/XI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042