INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '15d357ef16b3cb1a72f101b4d82841e26959f5ff5d04c994f4a83a41ded2504a', 
    'EKICnoWUkOyJfgQ2zecT0Rw7wkTrbOGqcx90N1s0Lv0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)