UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DYfvWW9AMq9YvQEtp2rYf4GTCuzz/lI2YIqIlZ1+du4=' 
WHERE 
  key_id = '8b1534b43a9bf3af09a5f48d4f9444e3de1e9d44fd2c451df7e2c0b1b7652535' 
  AND (
    token = 'DYfvWW9AMq9YvQEtp2rYf4GTCuzz/lI2YIqIlZ1+du4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )