UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BZHBmi492c4/bp5aWmUXNjlcQomcDKrxcTEgje87JLc=' 
WHERE 
  key_id = '6e67557da1b53c3d77633c884386517f322b0caa6e8733d181d88e85018c3c6d' 
  AND (
    token = 'BZHBmi492c4/bp5aWmUXNjlcQomcDKrxcTEgje87JLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )