UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bc4G9t/liqPm6W0VVChpqe5aB3S5ZuNkx4ZCsgRStmQ=' 
WHERE 
  key_id = '8a2c3460bf9ec7684db575750ebca7f36a885ebf80cff21a9f834ca564c549f6' 
  AND (
    token = 'Bc4G9t/liqPm6W0VVChpqe5aB3S5ZuNkx4ZCsgRStmQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )