UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'en88343fy0XZYwtb60Tf5lqT8s8ZMBwj/cWD4iZ3+jI=' 
WHERE 
  key_id = 'a19ea0f8a5d3ecedfa374abc0c20ea0be8d7370122b220141a5d412a5747aea0' 
  AND (
    token = 'en88343fy0XZYwtb60Tf5lqT8s8ZMBwj/cWD4iZ3+jI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00027