UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MYeK7Elj77E0vpBpAMiHgf75lD2FaUvcLxHZc+unH6U=' 
WHERE 
  key_id = 'e941e69c96b0a0063693814d0c4383244adb51e162fe5659687b1451b37a57d6' 
  AND (
    token = 'MYeK7Elj77E0vpBpAMiHgf75lD2FaUvcLxHZc+unH6U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )