INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8c635e1c17a203b7aa5fd80571e2d2a74d37cc9907a45fb4456d067ce7a1b468', 
    'yet1p/I5VzgK63A8iZS3fQTST3juAeWqcpC2ZjlrhRM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)