UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nW1bifmQWg8hdhniD29BuBWE4cmJpSP35R+zwmR4200=' 
WHERE 
  key_id = '21fc498711f894a4a80c43611160a0f3fff211cea6177fe80ce50609db7a025d' 
  AND (
    token = 'nW1bifmQWg8hdhniD29BuBWE4cmJpSP35R+zwmR4200=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )