INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51e8fcd1f954e6e78e03841717bbafeb7047edb6def97b871c6d616b63887f15', 
    'MjggbxySYWvaxJUhDl2DJAAIIbAlPqT5Uyaw2lBB9g4=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00039

Result

int(1)