INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '506540aaddf429362ba21034e3d89d3814abf2994ca7d769bf90b1f369001d00', 
    'qWSl8DgqtGpCsOTZ0FiVuJLAzIqEYWoCQhJ0khSgx0E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)