INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '947a5b56a0e9bbbdc65d045c04eb86abfe79a9bfccf4546c2949983848d39946', 
    'r3gOdEo4Vxcj+nLktz4ixQWm/EXiDRNW4zDJZ5od3RE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)