UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MCyUfEAWaDp8cSwtvkN1C3v0DRWxlpHGJJDwtRx/kts=' 
WHERE 
  key_id = '8c4b819f59d28c02b0bc6a5f49e0bfdadb463ccad234795c779df265dd90bbb9' 
  AND (
    token = 'MCyUfEAWaDp8cSwtvkN1C3v0DRWxlpHGJJDwtRx/kts=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )