UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4MhVoOFFIB4vseH0SvEHzuGcXpdawad2Z/JfweKeAzE=' 
WHERE 
  key_id = '515661cb8e2e2fd7c55cd893caa99d378cf0bb0e92c6293b827195c449632c19' 
  AND (
    token = '4MhVoOFFIB4vseH0SvEHzuGcXpdawad2Z/JfweKeAzE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )