UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mNp71c2+eMk+i5J3jl6+88ydq3XrLIu3FDD9ReWB510=' 
WHERE 
  key_id = 'a3015581023997e6e847c1614ad2d33c10875eb62abfe9242e2d4cd0fe5fd16d' 
  AND (
    token = 'mNp71c2+eMk+i5J3jl6+88ydq3XrLIu3FDD9ReWB510=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )