UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tMX0758ATacM8n/1a3HuQndbz8+vExquZpG8Q4nJoLI=' 
WHERE 
  key_id = '527bdaf8ab459a61a472cc94cab7a8a448908e39d0038c80547ae220538f3d81' 
  AND (
    token = 'tMX0758ATacM8n/1a3HuQndbz8+vExquZpG8Q4nJoLI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034