UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a4Y1ywlS9ZiLqWoWM2PyTxiJwRo+iBrSWw1XRg1+ALk=' 
WHERE 
  key_id = 'd6493696dbfc5d3eaf1df4df35fa7288ad0c0e1a8f1894350215b00e7ea492b9' 
  AND (
    token = 'a4Y1ywlS9ZiLqWoWM2PyTxiJwRo+iBrSWw1XRg1+ALk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )