INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c12a2292b031b73cfef846eea07fd022071cbdd98ef4eb99ebac944548af9752', 
    'u//HaVzWbu9sOk5KWxjowigLXL8HOo+HhQQKSoCRV00=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)