UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qYBo2PZIyUE3mRTk4oJLFr/cj1tO6IkPi256OvREsIY=' 
WHERE 
  key_id = 'b3d20e95457dbd2cbc4eed116557a0b3b75b15ce387457aa47c190c492e27ecf' 
  AND (
    token = 'qYBo2PZIyUE3mRTk4oJLFr/cj1tO6IkPi256OvREsIY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042