UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pjKjB7H2rNoBRJ7dYTgRHIvxv8fFi6xRU8X6YTMKtGY=' 
WHERE 
  key_id = 'a801cf761354e47b43c54dbfcba07972db143b4e1a2661f01a38d55a8dc0dd14' 
  AND (
    token = 'pjKjB7H2rNoBRJ7dYTgRHIvxv8fFi6xRU8X6YTMKtGY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044