UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'p9QPSLFXjm088Pyfog857CTTklsYrZvCJ9jRmENfRXg=' 
WHERE 
  key_id = '796b276214c5aeba7caa2a1e73063b33ac3c70be54ff6d24b5e51f6a1459ee28' 
  AND (
    token = 'p9QPSLFXjm088Pyfog857CTTklsYrZvCJ9jRmENfRXg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )