INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21604b1827e45c3f726e572a4b44abd0a10953c18359f24f60867c1267b804dc', 
    'X25IwycJaNeTCKgQB12JsiWtfZgx700sNgHWERoJ0Jc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)