UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6RYtNVQVFP1rDTZSoCqN4TNUnxxC9AJDAySJptSTr14=' 
WHERE 
  key_id = '251b10d37bc783252a5ddc4d472c3903e73e6c479b3de1644badd256e2d44637' 
  AND (
    token = '6RYtNVQVFP1rDTZSoCqN4TNUnxxC9AJDAySJptSTr14=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )