UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MNh4li7CwreIo6H1IPjhWv1Q+R9ZbD0/yfUNN/JGPPA=' 
WHERE 
  key_id = '4640d36d74b1ce18ee9a6465d098f5ae6def84a281b2a0e8c28263f77e3d9b9a' 
  AND (
    token = 'MNh4li7CwreIo6H1IPjhWv1Q+R9ZbD0/yfUNN/JGPPA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )