INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c8253b6e8a04861049916c5cdf70139c2fc17ee34a2909250ebc5da912589509', 
    'bQ2rrTVHXzuBmebMwIxa4GDmnx3v09ocOMhF48asRQI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00031

Result

int(1)