INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b8e999699865a5c9d5de9e297fb1478813e3405245f45599edb900be617272f', 
    'P223SqUJ/iSiuK95HHiTFRFEmHwP6ubZzZt2hsSyu1E=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)