UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MWRXUUf1wxLd4GqeRQB40jXpyrZLmlW8X2/wnXQm7/0=' 
WHERE 
  key_id = '2398e46b97ae6cbd68763b5709937479157d48083ada9ad1bc1f9b2a1ec9aed4' 
  AND (
    token = 'MWRXUUf1wxLd4GqeRQB40jXpyrZLmlW8X2/wnXQm7/0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )