UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MRhxkn4h8haYU7u3u2eOELHBwEg0ycoI/Irc2zKYyps=' 
WHERE 
  key_id = '8bcb810c6df98c5aff0c64f32834d1b778613fe84d072c4b562794607b45b06e' 
  AND (
    token = 'MRhxkn4h8haYU7u3u2eOELHBwEg0ycoI/Irc2zKYyps=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )