UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PX4CZH7bufde9WFM5GdsGucr+e+d5CBOplPxuvWtSyw=' 
WHERE 
  key_id = 'f55b07cc568dbf9515cdc7a8154dba7dd47e3ecaf35ad37a24c2012130c0c385' 
  AND (
    token = 'PX4CZH7bufde9WFM5GdsGucr+e+d5CBOplPxuvWtSyw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027