UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'C5V/XaLNCZ6dAsBGTwlCFjIyZJngeIcvncQOOCVTc1U=' 
WHERE 
  key_id = 'b8256c86e7a6ffee4e6d43558bbb733f2f4584c5e6d393ec3a431f32e6bc97db' 
  AND (
    token = 'C5V/XaLNCZ6dAsBGTwlCFjIyZJngeIcvncQOOCVTc1U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )