UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MqBjJHBrE+XWMNN51I13HUm9MVShJky1CqTNX63+yZA=' 
WHERE 
  key_id = '39e100c2ba7c1c5ac92e1b160673932fc2a6974b78f73ad0a5521cd00286cb0b' 
  AND (
    token = 'MqBjJHBrE+XWMNN51I13HUm9MVShJky1CqTNX63+yZA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )