UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oGUmyLWGx1mnRwLqQ4GgBNdKbmQ1iL6R97cFFEtDgmU=' 
WHERE 
  key_id = '87475dfa31a3868cb9150ed5da2e2befccc5023e31e9feaf6d2c919af921b60a' 
  AND (
    token = 'oGUmyLWGx1mnRwLqQ4GgBNdKbmQ1iL6R97cFFEtDgmU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032