UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e0yYkVUHnwMSRoBYiHRKhQa+yQk4v+RqsMbkc3EmzDU=' 
WHERE 
  key_id = '76ce51bb0ef6438a1886b79d8ad1c1c019b84d9a7baf909d123d650b87e5ca9c' 
  AND (
    token = 'e0yYkVUHnwMSRoBYiHRKhQa+yQk4v+RqsMbkc3EmzDU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )