UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mJN8ksBoHOdhKKIActP5lNkkKbkJHA08gX4Tuko+BVM=' 
WHERE 
  key_id = '659ff72fb79c9ca2e677b4a4c6fc3d569fa7a1bbb65d70e159111da39e975df3' 
  AND (
    token = 'mJN8ksBoHOdhKKIActP5lNkkKbkJHA08gX4Tuko+BVM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00021