INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a90ea6f7cb6b541eec709319900495523a2f62d50a5024af9cf9fe846b71f7cf', 
    'mBU+WopzOhl7y880WKZDzJ7m4PihjghHwyPlRq9mxKc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)