INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6f4df4fd210ca5972d4ab187b21927b04a6d1cd6437421051daec395ce14a895', 
    'LN8oK1TUskDUAjrMAd1JWHIAs9vJnv5//VW6E+sBCEM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00025

Result

int(1)