INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51b8da8e0b53d14a8b160da7654c5368e901259e64edfcc0fe2ccb8288c08b03', 
    'MIgv+HkQSl37xGymw/KQ1nqfdXPmrWtJF32YurahiLo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)