UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6x/2ivNXcCDIMREzadkjDD3xxnmtlQOWMjbb7XuGkk8=' 
WHERE 
  key_id = '5729308d81fbe2cd29441c7cb3ee85b515497d42614b3afa21041402a50abeff' 
  AND (
    token = '6x/2ivNXcCDIMREzadkjDD3xxnmtlQOWMjbb7XuGkk8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )