UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'v4kOa8pkmyvdbKStMQ9hHGV8tRbXcDBohPScRmCUA/c=' 
WHERE 
  key_id = '6deb361dc313d6ee45b5bec5f96a2596dd97c399e219d68da16e433dd4c72e90' 
  AND (
    token = 'v4kOa8pkmyvdbKStMQ9hHGV8tRbXcDBohPScRmCUA/c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00017