UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'o4qEVbP7qF4DRaXgOx3KO4imOwMg3gr2yPeo7RB9wec=' 
WHERE 
  key_id = 'da45b868f756bd6281c256e9a22ef6164ab9a0efa0b399c0a1e6e7d179391c87' 
  AND (
    token = 'o4qEVbP7qF4DRaXgOx3KO4imOwMg3gr2yPeo7RB9wec=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032