INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6389cc7d2831f12a8973017d5d95fe17cf175ea1b71ad20079af901bfaf0889d', 
    'x6WuJlDWSxIBeF6EF20DJyQhQYb3Fd7ksJdejwPlB6Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00029

Result

int(1)