INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '28e7387ff76d5f6e9175568d80a184920908c5a2f8d9e2077f2848e62452be40', 
    'jIVVHi8iAmaghKtWLTUGLv4BSaUzxJ2xa9VdJTY92TI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00058

Result

int(1)