UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GZ9j8gkJPNRmg4NocdCASlfaN7t9yQEXMYkz3wWpmx4=' 
WHERE 
  key_id = '421731d93cf786fe9cd34300a1015df103d36ee664ed86a66d2da8a91a7077b7' 
  AND (
    token = 'GZ9j8gkJPNRmg4NocdCASlfaN7t9yQEXMYkz3wWpmx4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )