UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k9Lz2yXVt0JUqUeB3x6iko4ubHZG6JzplZyfagQCzFs=' 
WHERE 
  key_id = '7c7e59375971dbb73702177008aa86ff1f68dd99f1729f38dce213e78914709b' 
  AND (
    token = 'k9Lz2yXVt0JUqUeB3x6iko4ubHZG6JzplZyfagQCzFs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )