UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fHDia8cB/cSJWfmCtW3Lxxxb+OKA+1ryLRHMp9i6WHg=' 
WHERE 
  key_id = '15edf97473fe61ec5f5e6ba086679fd56b974a234658f7df4df10b2e8924ee2b' 
  AND (
    token = 'fHDia8cB/cSJWfmCtW3Lxxxb+OKA+1ryLRHMp9i6WHg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00035