UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2dXGdjGyTGSCv5u6VIrEhPMxzmdBCl1Oux+ZHut3e4o=' 
WHERE 
  key_id = '1a77d1a786e29e7d6898a101edcf09f8f7401b43814abaf723058e93027953a2' 
  AND (
    token = '2dXGdjGyTGSCv5u6VIrEhPMxzmdBCl1Oux+ZHut3e4o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00031