UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'D+91MU4NFQ9tz8RtZOEoW8d23vkq6MowWdwuMvJNyrw=' 
WHERE 
  key_id = '7ab6dcf989bccaad2caa49854f662313a8cb7fd5cae2beb200e8edda66b757a6' 
  AND (
    token = 'D+91MU4NFQ9tz8RtZOEoW8d23vkq6MowWdwuMvJNyrw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040