UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KfT6fbqnYMVC71sCzXuNgxYF5el+JfZOhgpGlUBel68=' 
WHERE 
  key_id = 'a93abe9c79dd04283e05b4bf9957a27b19d6aae6befc980e5a19d4f63e83544c' 
  AND (
    token = 'KfT6fbqnYMVC71sCzXuNgxYF5el+JfZOhgpGlUBel68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034