INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8e491a181a3692f9239c0a60a7aa4801ffe1c009f3f22a9b31ce4a4ab601d3e', 
    '+0+RfBz0lza+FmycfWFpaOhlb0URSmD52GkqCD8fSRE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)