UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '1G+PDQFqZ8upzYcnDTwNZ0Oui8k17h2oBM9AC9YeBpk=' 
WHERE 
  key_id = 'b1d4b08e50a315cb1fcca0a3d26938af9303b60b2e9258e3955b883efda3b641' 
  AND (
    token = '1G+PDQFqZ8upzYcnDTwNZ0Oui8k17h2oBM9AC9YeBpk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )