UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VqLw3aEn9ZoH3qR2zw0LDqqa6ehUx5XYWRIC/E14+gE=' 
WHERE 
  key_id = '6e7591c071f6510690d60ffeb4844f277db5dfa82bd24bbed76e6c55db7b1959' 
  AND (
    token = 'VqLw3aEn9ZoH3qR2zw0LDqqa6ehUx5XYWRIC/E14+gE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )