UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yC6xubh+9j9zfL4ixGhnzN7syKtZgHrOmMLmkp5Xb98=' 
WHERE 
  key_id = 'c76331c4d3e5a8a150aea78c6248a83aa1b81e197048ea490494110504019c16' 
  AND (
    token = 'yC6xubh+9j9zfL4ixGhnzN7syKtZgHrOmMLmkp5Xb98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00044