UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R16XmrEcJPInHNHhxgKh7d1z47oOuD4HYm0id7nCIQg=' 
WHERE 
  key_id = '875c68d8857ef6d21404fc1efbb15d6b67688ec517991b92456cf5aa2c0088dc' 
  AND (
    token = 'R16XmrEcJPInHNHhxgKh7d1z47oOuD4HYm0id7nCIQg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )