INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '531973fa2187583080bd586a10eb7b7a5c9fd69f948dbf1f2e3e81c1e54e7526', 
    'R2Thvqe8e6wJHYM1fk//L0CIlfBQTZvo0qTCvm64mfU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)