UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a27FIuEk0r8pwhMKqAzknMmRniy/uzBBvcCBjhvn2Y8=' 
WHERE 
  key_id = '75bc396a26b0a94cd7d463cfb00ad342fb1406d89ebd2864b505b11fdc0c83ce' 
  AND (
    token = 'a27FIuEk0r8pwhMKqAzknMmRniy/uzBBvcCBjhvn2Y8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )