UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QWDoBqT3oRRgR6tlARVJyxnNBgYZWu+XCkT3M8dhn+4=' 
WHERE 
  key_id = '285fb5b25ab9d13f74ed15401de05c04ca03371e90862f51a4afb0653da96ab6' 
  AND (
    token = 'QWDoBqT3oRRgR6tlARVJyxnNBgYZWu+XCkT3M8dhn+4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030