UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9JSn8PmxHFHOFIPYDPHNKBtLFa6zCeSqWQVzEt/DCHk=' 
WHERE 
  key_id = '2a46fe8ac57b821b5321a7f6b433a9197b8f191a214b435c5a525df4279eaa6c' 
  AND (
    token = '9JSn8PmxHFHOFIPYDPHNKBtLFa6zCeSqWQVzEt/DCHk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )