UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kS/jrwwNbgT7KibsAhVj7BflnNTahi8UsOYsFk4WUxk=' 
WHERE 
  key_id = '2a5eb75c352d77bde0b28d3a6a72f687d84dbdba51fb755bde0810deb48dc375' 
  AND (
    token = 'kS/jrwwNbgT7KibsAhVj7BflnNTahi8UsOYsFk4WUxk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )