UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MsCE3LpKohHsmK4cxK3thKrUMWBA52UukfqmZgGNXA0=' 
WHERE 
  key_id = 'a51e91dc6b1cff6a3afd4aed18ba6968d04d135813f39976b2033aa135ea0b8b' 
  AND (
    token = 'MsCE3LpKohHsmK4cxK3thKrUMWBA52UukfqmZgGNXA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )