UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/R6hKUT/dQKGnRyDrOtE+2B6xVn87LowvWA1BE3kLmk=' 
WHERE 
  key_id = '2b97f535c5b6f140eeae835391f4d42058bf3fe77cfec6b1cb031622e9dc7fd5' 
  AND (
    token = '/R6hKUT/dQKGnRyDrOtE+2B6xVn87LowvWA1BE3kLmk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )