INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7f4ebe05514d08acd6abcf281a8d56777064af21878d117a0c7623eab17c0fca', 
    'E4bTUHJMNSkhhbyEph4jbm4XVolndR9CY9YgJ5G763c=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)