UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'I28QWbQvKg6JJ5ScGNei4A2w3wmGdaMKRsXdd6nPVfY=' 
WHERE 
  key_id = '06a773fab0b8e80f00f2c7654c4483dcf566bd406feaa1ef4f5c443a9437345e' 
  AND (
    token = 'I28QWbQvKg6JJ5ScGNei4A2w3wmGdaMKRsXdd6nPVfY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00020