INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50fcf207f82c20642c37d146003caec3c2fe59471f01adaf471d410532738b21', 
    'x/z2qjDaLgB8lWVSo1gACnrhRj6sOxhyGSA2MjluOmU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)