UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lMgQAYy+a3Fwc+UDzXEuqqvNyDvZpfd91oWmrXKTUDY=' 
WHERE 
  key_id = '3d03ed50663220835d1c15a8fcd36fe373980c8cd5cead3136f3b9013cc36847' 
  AND (
    token = 'lMgQAYy+a3Fwc+UDzXEuqqvNyDvZpfd91oWmrXKTUDY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00033