INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6f21dc13df3a70de9bb0a206a75552cdd0a17b5a5906e6f10949bd868d523a71', 
    '7usMrEcMuZ7MgHsahmYwQWUuOqKIc0iuQv/Ogpw+Y6A=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)