UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znQMo/OyFVVoyqfe+uIBJsO9u/lawEFvnkYRzUJkEqk=' 
WHERE 
  key_id = '4234aace3ca3bd2c6718707e6103aa8be6fb1f2a6a4712ccab9dab3302655435' 
  AND (
    token = 'znQMo/OyFVVoyqfe+uIBJsO9u/lawEFvnkYRzUJkEqk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )