UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z3nmoQKKe5D8WOyl+BeGOnS77dzJNrI21ME30VLfVJA=' 
WHERE 
  key_id = '48badcebde73ef0ef89fe71f5547a2643c4d2e0fbb89be0c256e5ba35fc4272d' 
  AND (
    token = 'z3nmoQKKe5D8WOyl+BeGOnS77dzJNrI21ME30VLfVJA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00047